22557568797 has 32 divisors (see below), whose sum is σ = 35190115200. Its totient is φ = 14241775104.

The previous prime is 22557568751. The next prime is 22557568801. The reversal of 22557568797 is 79786575522.

22557568797 is a `hidden beast` number, since 2 + 2 + 557 + 5 + 6 + 8 + 79 + 7 = 666.

It is not a de Polignac number, because 22557568797 - 2⁷ = 22557568669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22557568997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1849443 + ... + 1861599.

It is an arithmetic number, because the mean of its divisors is an integer number (1099691100).

Almost surely, 2^22557568797 is an apocalyptic number.

22557568797 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22557568797 is a deficient number, since it is larger than the sum of its proper divisors (12632546403).

22557568797 is a wasteful number, since it uses less digits than its factorization.

22557568797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15802 (or 15796 counting only the distinct ones).

The product of its digits is 74088000, while the sum is 63.

The spelling of 22557568797 in words is "twenty-two billion, five hundred fifty-seven million, five hundred sixty-eight thousand, seven hundred ninety-seven".