22199618196 has 72 divisors (see below), whose sum is σ = 66201035264. Its totient is φ = 6138141120.

The previous prime is 22199618179. The next prime is 22199618201. The reversal of 22199618196 is 69181699122.

22199618196 is a `hidden beast` number, since 2 + 2 + 1 + 9 + 9 + 618 + 19 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1413055 + ... + 1428678.

Almost surely, 2^22199618196 is an apocalyptic number.

It is an amenable number.

22199618196 is an abundant number, since it is smaller than the sum of its proper divisors (44001417068).

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

22199618196 is a wasteful number, since it uses less digits than its factorization.

22199618196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841781 (or 2841776 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The spelling of 22199618196 in words is "twenty-two billion, one hundred ninety-nine million, six hundred eighteen thousand, one hundred ninety-six".