22756997862 has 12 divisors (see below), whose sum is σ = 49306828740. Its totient is φ = 7585665948.

The previous prime is 22756997849. The next prime is 22756997933. The reversal of 22756997862 is 26879965722.

22756997862 is a `hidden beast` number, since 2 + 2 + 7 + 569 + 9 + 7 + 8 + 62 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22756997862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 632138812 + ... + 632138847.

It is an arithmetic number, because the mean of its divisors is an integer number (4108902395).

Almost surely, 2^22756997862 is an apocalyptic number.

22756997862 is an abundant number, since it is smaller than the sum of its proper divisors (26549830878).

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

22756997862 is a wasteful number, since it uses less digits than its factorization.

22756997862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264277667 (or 1264277664 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 22756997862 in words is "twenty-two billion, seven hundred fifty-six million, nine hundred ninety-seven thousand, eight hundred sixty-two".