It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 422 is not a prime number.
For example, 167 422 can be divided by 2: 167 422 / 2 = 83 711.
For 167 422 to be a prime number, it would have been required that 167 422 has only two divisors, i.e., itself and 1.
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167 422 is an even number, because it is evenly divisible by 2: 167 422 / 2 = 83 711.
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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 167 422 is about 409.172.
Thus, the square root of 167 422 is not an integer, and therefore 167 422 is not a square number.
The square of a number (here 167 422) is the result of the product of this number (167 422) by itself (i.e., 167 422 × 167 422); the square of 167 422 is sometimes called "raising 167 422 to the power 2", or "167 422 squared".
The square of 167 422 is 28 030 126 084 because 167 422 × 167 422 = 167 4222 = 28 030 126 084.
As a consequence, 167 422 is the square root of 28 030 126 084.
The multiples of 167 422 are all integers evenly divisible by 167 422, that is all numbers such that the remainder of the division by 167 422 is zero. There are infinitely many multiples of 167 422. The smallest multiples of 167 422 are: