22515004232 has 64 divisors (see below), whose sum is σ = 48570762240. Its totient is φ = 9584654400.

The previous prime is 22515004231. The next prime is 22515004247. The reversal of 22515004232 is 23240051522.

It is not an unprimeable number, because it can be changed into a prime (22515004231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5344607 + ... + 5348817.

It is an arithmetic number, because the mean of its divisors is an integer number (758918160).

Almost surely, 2^22515004232 is an apocalyptic number.

It is an amenable number.

22515004232 is an abundant number, since it is smaller than the sum of its proper divisors (26055758008).

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

22515004232 is a wasteful number, since it uses less digits than its factorization.

22515004232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842 (or 4838 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22515004232 its reverse (23240051522), we get a palindrome (45755055754).

The spelling of 22515004232 in words is "twenty-two billion, five hundred fifteen million, four thousand, two hundred thirty-two".