22532504988 has 24 divisors (see below), whose sum is σ = 60086680192. Its totient is φ = 6437858544.

The previous prime is 22532504983. The next prime is 22532504989. The reversal of 22532504988 is 88940523522.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22532504983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134121970 + ... + 134122137.

Almost surely, 2^22532504988 is an apocalyptic number.

22532504988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22532504988 is an abundant number, since it is smaller than the sum of its proper divisors (37554175204).

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

22532504988 is a wasteful number, since it uses less digits than its factorization.

22532504988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268244121 (or 268244119 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 22532504988 in words is "twenty-two billion, five hundred thirty-two million, five hundred four thousand, nine hundred eighty-eight".