225423511232 has 56 divisors (see below), whose sum is σ = 470947089600. Its totient is φ = 106761666816.

The previous prime is 225423511223. The next prime is 225423511319. The reversal of 225423511232 is 232115324522.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 9788243 + ... + 9811245.

Almost surely, 2^225423511232 is an apocalyptic number.

It is an amenable number.

225423511232 is an abundant number, since it is smaller than the sum of its proper divisors (245523578368).

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

225423511232 is a wasteful number, since it uses less digits than its factorization.

225423511232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31093 (or 31083 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 225423511232 its reverse (232115324522), we get a palindrome (457538835754).

The spelling of 225423511232 in words is "two hundred twenty-five billion, four hundred twenty-three million, five hundred eleven thousand, two hundred thirty-two".