225993750544 has 45 divisors (see below), whose sum is σ = 465201171741. Its totient is φ = 106334787840.

The previous prime is 225993750539. The next prime is 225993750559. The reversal of 225993750544 is 445057399522.

The square root of 225993750544 is 475388.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 175946691600 + 50047058944 = 419460^2 + 223712^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32322889 + ... + 32329879.

Almost surely, 2^225993750544 is an apocalyptic number.

225993750544 is the 475388-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225993750544

225993750544 is an abundant number, since it is smaller than the sum of its proper divisors (239207421197).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225993750544 is an frugal number, since it uses more digits than its factorization.

225993750544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14024 (or 7010 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 225993750544 in words is "two hundred twenty-five billion, nine hundred ninety-three million, seven hundred fifty thousand, five hundred forty-four".