22513298988 has 24 divisors (see below), whose sum is σ = 53250636208. Its totient is φ = 7401632256.

The previous prime is 22513298947. The next prime is 22513299023. The reversal of 22513298988 is 88989231522.

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, 12849181 + ... + 12850932.

Almost surely, 2^22513298988 is an apocalyptic number.

It is an amenable number.

22513298988 is an abundant number, since it is smaller than the sum of its proper divisors (30737337220).

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

22513298988 is a wasteful number, since it uses less digits than its factorization.

22513298988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25700193 (or 25700191 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 57.

The spelling of 22513298988 in words is "twenty-two billion, five hundred thirteen million, two hundred ninety-eight thousand, nine hundred eighty-eight".