22557471898 has 16 divisors (see below), whose sum is σ = 36441477576. Its totient is φ = 10410431040.

The previous prime is 22557471869. The next prime is 22557471913. The reversal of 22557471898 is 89817475522.

It can be written as a sum of positive squares in 4 ways, for example, as 16518161529 + 6039310369 = 128523^2 + 77713^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683088 + ... + 715348.

Almost surely, 2^22557471898 is an apocalyptic number.

22557471898 is a deficient number, since it is larger than the sum of its proper divisors (13884005678).

22557471898 is a wasteful number, since it uses less digits than its factorization.

22557471898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59169.

The product of its digits is 11289600, while the sum is 58.

The spelling of 22557471898 in words is "twenty-two billion, five hundred fifty-seven million, four hundred seventy-one thousand, eight hundred ninety-eight".