225720365754 has 24 divisors (see below), whose sum is σ = 488838190752. Its totient is φ = 69452419920.

The previous prime is 225720365753. The next prime is 225720365771. The reversal of 225720365754 is 457563027522.

It is a super-2 number, since 2×225720365754² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225720365753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111300942 + ... + 111302969.

It is an arithmetic number, because the mean of its divisors is an integer number (20368257948).

Almost surely, 2^225720365754 is an apocalyptic number.

225720365754 is an abundant number, since it is smaller than the sum of its proper divisors (263117824998).

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

225720365754 is a wasteful number, since it uses less digits than its factorization.

225720365754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222603942 (or 222603929 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 225720365754 in words is "two hundred twenty-five billion, seven hundred twenty million, three hundred sixty-five thousand, seven hundred fifty-four".