It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 330 424 is not a prime number.
For example, 330 424 can be divided by 2: 330 424 / 2 = 165 212.
For 330 424 to be a prime number, it would have been required that 330 424 has only two divisors, i.e., itself and 1.
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330 424 is an even number, because it is evenly divisible by 2: 330 424 / 2 = 165 212.
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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 330 424 is about 574.825.
Thus, the square root of 330 424 is not an integer, and therefore 330 424 is not a square number.
The square of a number (here 330 424) is the result of the product of this number (330 424) by itself (i.e., 330 424 × 330 424); the square of 330 424 is sometimes called "raising 330 424 to the power 2", or "330 424 squared".
The square of 330 424 is 109 180 019 776 because 330 424 × 330 424 = 330 4242 = 109 180 019 776.
As a consequence, 330 424 is the square root of 109 180 019 776.
The multiples of 330 424 are all integers evenly divisible by 330 424, that is all numbers such that the remainder of the division by 330 424 is zero. There are infinitely many multiples of 330 424. The smallest multiples of 330 424 are: