It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 242 164 is not a prime number.
For example, 242 164 can be divided by 2: 242 164 / 2 = 121 082.
For 242 164 to be a prime number, it would have been required that 242 164 has only two divisors, i.e., itself and 1.
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242 164 is an even number, because it is evenly divisible by 2: 242 164 / 2 = 121 082.
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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 242 164 is about 492.102.
Thus, the square root of 242 164 is not an integer, and therefore 242 164 is not a square number.
The square of a number (here 242 164) is the result of the product of this number (242 164) by itself (i.e., 242 164 × 242 164); the square of 242 164 is sometimes called "raising 242 164 to the power 2", or "242 164 squared".
The square of 242 164 is 58 643 402 896 because 242 164 × 242 164 = 242 1642 = 58 643 402 896.
As a consequence, 242 164 is the square root of 58 643 402 896.
The multiples of 242 164 are all integers evenly divisible by 242 164, that is all numbers such that the remainder of the division by 242 164 is zero. There are infinitely many multiples of 242 164. The smallest multiples of 242 164 are: