22897524887 has 4 divisors (see below), whose sum is σ = 22995797760. Its totient is φ = 22799252016.

The previous prime is 22897524883. The next prime is 22897524889. The reversal of 22897524887 is 78842579822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78842579822 = 2 ⋅39421289911.

It is a cyclic number.

It is not a de Polignac number, because 22897524887 - 2² = 22897524883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22897524883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49136087 + ... + 49136552.

It is an arithmetic number, because the mean of its divisors is an integer number (5748949440).

Almost surely, 2^22897524887 is an apocalyptic number.

22897524887 is a deficient number, since it is larger than the sum of its proper divisors (98272873).

22897524887 is an equidigital number, since it uses as much as digits as its factorization.

22897524887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98272872.

The product of its digits is 36126720, while the sum is 62.

The spelling of 22897524887 in words is "twenty-two billion, eight hundred ninety-seven million, five hundred twenty-four thousand, eight hundred eighty-seven".