It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 226 is not a prime number.
For example, 488 226 can be divided by 2: 488 226 / 2 = 244 113.
For 488 226 to be a prime number, it would have been required that 488 226 has only two divisors, i.e., itself and 1.
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488 226 is an even number, because it is evenly divisible by 2: 488 226 / 2 = 244 113.
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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 488 226 is about 698.732.
Thus, the square root of 488 226 is not an integer, and therefore 488 226 is not a square number.
The square of a number (here 488 226) is the result of the product of this number (488 226) by itself (i.e., 488 226 × 488 226); the square of 488 226 is sometimes called "raising 488 226 to the power 2", or "488 226 squared".
The square of 488 226 is 238 364 627 076 because 488 226 × 488 226 = 488 2262 = 238 364 627 076.
As a consequence, 488 226 is the square root of 238 364 627 076.
The multiples of 488 226 are all integers evenly divisible by 488 226, that is all numbers such that the remainder of the division by 488 226 is zero. There are infinitely many multiples of 488 226. The smallest multiples of 488 226 are: