225859232816 has 40 divisors (see below), whose sum is σ = 512314855584. Its totient is φ = 94435914240.

The previous prime is 225859232761. The next prime is 225859232897. The reversal of 225859232816 is 618232958522.

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, 24588095 + ... + 24597278.

Almost surely, 2^225859232816 is an apocalyptic number.

It is an amenable number.

225859232816 is an abundant number, since it is smaller than the sum of its proper divisors (286455622768).

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

225859232816 is a wasteful number, since it uses less digits than its factorization.

225859232816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49185429 (or 49185423 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 53.

The spelling of 225859232816 in words is "two hundred twenty-five billion, eight hundred fifty-nine million, two hundred thirty-two thousand, eight hundred sixteen".