22557568798 has 4 divisors (see below), whose sum is σ = 33836353200. Its totient is φ = 11278784398.

The previous prime is 22557568751. The next prime is 22557568801. The reversal of 22557568798 is 89786575522.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5639392198 + ... + 5639392201.

It is an arithmetic number, because the mean of its divisors is an integer number (8459088300).

Almost surely, 2^22557568798 is an apocalyptic number.

22557568798 is a deficient number, since it is larger than the sum of its proper divisors (11278784402).

22557568798 is a wasteful number, since it uses less digits than its factorization.

22557568798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278784401.

The product of its digits is 84672000, while the sum is 64.

The spelling of 22557568798 in words is "twenty-two billion, five hundred fifty-seven million, five hundred sixty-eight thousand, seven hundred ninety-eight".