22997805525 has 72 divisors (see below), whose sum is σ = 42850042144. Its totient is φ = 12227371200.

The previous prime is 22997805497. The next prime is 22997805709. The reversal of 22997805525 is 52550879922.

It is a happy number.

22997805525 is a `hidden beast` number, since 2 + 2 + 9 + 9 + 7 + 80 + 552 + 5 = 666.

It is not a de Polignac number, because 22997805525 - 2⁸ = 22997805269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2005107 + ... + 2016543.

Almost surely, 2^22997805525 is an apocalyptic number.

22997805525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22997805525 is a deficient number, since it is larger than the sum of its proper divisors (19852236619).

22997805525 is a wasteful number, since it uses less digits than its factorization.

22997805525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11793 (or 11776 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 22997805525 in words is "twenty-two billion, nine hundred ninety-seven million, eight hundred five thousand, five hundred twenty-five".