225737256 has 32 divisors (see below), whose sum is σ = 569527200. Its totient is φ = 74554560.

The previous prime is 225737231. The next prime is 225737261. The reversal of 225737256 is 652737522.

225737256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40530 + ... + 45761.

It is an arithmetic number, because the mean of its divisors is an integer number (17797725).

Almost surely, 2^225737256 is an apocalyptic number.

It is an amenable number.

225737256 is an abundant number, since it is smaller than the sum of its proper divisors (343789944).

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

225737256 is a wasteful number, since it uses less digits than its factorization.

225737256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86409 (or 86405 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 225737256 is about 15024.5551015662. Note that the first 3 decimals coincide. The cubic root of 225737256 is about 608.8837923120.

The spelling of 225737256 in words is "two hundred twenty-five million, seven hundred thirty-seven thousand, two hundred fifty-six".