Is 422009 a prime number?

422 009 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 422 009 is about 649.622.

Thus, the square root of 422 009 is not an integer, and therefore 422 009 is not a square number.

The square of a number (here 422 009) is the result of the product of this number (422 009) by itself (i.e., 422 009 × 422 009); the square of 422 009 is sometimes called "raising 422 009 to the power 2", or "422 009 squared".

The square of 422 009 is 178 091 596 081 because 422 009 × 422 009 = 422 009² = 178 091 596 081.

As a consequence, 422 009 is the square root of 178 091 596 081.

422 009 is a number with 6 digits.

The multiples of 422 009 are all integers evenly divisible by 422 009, that is all numbers such that the remainder of the division by 422 009 is zero. There are infinitely many multiples of 422 009. The smallest multiples of 422 009 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 422 009 too, since 0 × 422 009 = 0
• 422 009: indeed, 422 009 is a multiple of itself, since 422 009 is evenly divisible by 422 009 (we have 422 009 / 422 009 = 1, so the remainder of this division is indeed zero)
• 844 018: indeed, 844 018 = 422 009 × 2
• 1 266 027: indeed, 1 266 027 = 422 009 × 3
• 1 688 036: indeed, 1 688 036 = 422 009 × 4
• 2 110 045: indeed, 2 110 045 = 422 009 × 5
• etc.

• Preceding numbers: …422 007, 422 008
• Following numbers: 422 010, 422 011…

Nearest numbers from 422 009

• Preceding prime number: 421 997
• Following prime number: 422 029

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• 422 009 est-il un nombre premier ?