22777085492 has 12 divisors (see below), whose sum is σ = 45554171040. Its totient is φ = 9761608056.

The previous prime is 22777085479. The next prime is 22777085519. The reversal of 22777085492 is 29458077722.

22777085492 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406733642 + ... + 406733697.

It is an arithmetic number, because the mean of its divisors is an integer number (3796180920).

Almost surely, 2^22777085492 is an apocalyptic number.

It is an amenable number.

22777085492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22777085492 is a wasteful number, since it uses less digits than its factorization.

22777085492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813467350 (or 813467348 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 22777085492 in words is "twenty-two billion, seven hundred seventy-seven million, eighty-five thousand, four hundred ninety-two".