225651565732 has 12 divisors (see below), whose sum is σ = 395049937996. Its totient is φ = 112780154880.

The previous prime is 225651565669. The next prime is 225651565771. The reversal of 225651565732 is 237565156522.

It can be written as a sum of positive squares in 2 ways, for example, as 199966374976 + 25685190756 = 447176^2 + 160266^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11395869 + ... + 11415652.

Almost surely, 2^225651565732 is an apocalyptic number.

It is an amenable number.

225651565732 is a deficient number, since it is larger than the sum of its proper divisors (169398372264).

225651565732 is a wasteful number, since it uses less digits than its factorization.

225651565732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22813998 (or 22813996 counting only the distinct ones).

The product of its digits is 3780000, while the sum is 49.

The spelling of 225651565732 in words is "two hundred twenty-five billion, six hundred fifty-one million, five hundred sixty-five thousand, seven hundred thirty-two".