225720365733 has 12 divisors (see below), whose sum is σ = 333622866720. Its totient is φ = 146980703016.

The previous prime is 225720365681. The next prime is 225720365743. The reversal of 225720365733 is 337563027522.

225720365733 is a `hidden beast` number, since 2 + 2 + 5 + 72 + 0 + 3 + 6 + 573 + 3 = 666.

It is not a de Polignac number, because 225720365733 - 2¹² = 225720361637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225720365743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291627993 + ... + 291628766.

It is an arithmetic number, because the mean of its divisors is an integer number (27801905560).

Almost surely, 2^225720365733 is an apocalyptic number.

It is an amenable number.

225720365733 is a deficient number, since it is larger than the sum of its proper divisors (107902500987).

225720365733 is a wasteful number, since it uses less digits than its factorization.

225720365733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583256808 (or 583256805 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 45.

The spelling of 225720365733 in words is "two hundred twenty-five billion, seven hundred twenty million, three hundred sixty-five thousand, seven hundred thirty-three".