It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 27 018 022 is not a prime number.
For example, 27 018 022 can be divided by 2: 27 018 022 / 2 = 13 509 011.
For 27 018 022 to be a prime number, it would have been required that 27 018 022 has only two divisors, i.e., itself and 1.
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27 018 022 is an even number, because it is evenly divisible by 2: 27 018 022 / 2 = 13 509 011.
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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 27 018 022 is about 5 197.886.
Thus, the square root of 27 018 022 is not an integer, and therefore 27 018 022 is not a square number.
The square of a number (here 27 018 022) is the result of the product of this number (27 018 022) by itself (i.e., 27 018 022 × 27 018 022); the square of 27 018 022 is sometimes called "raising 27 018 022 to the power 2", or "27 018 022 squared".
The square of 27 018 022 is 729 973 512 792 484 because 27 018 022 × 27 018 022 = 27 018 0222 = 729 973 512 792 484.
As a consequence, 27 018 022 is the square root of 729 973 512 792 484.
27 018 022 is a number with 8 digits.
The multiples of 27 018 022 are all integers evenly divisible by 27 018 022, that is all numbers such that the remainder of the division by 27 018 022 is zero. There are infinitely many multiples of 27 018 022. The smallest multiples of 27 018 022 are: