22022120011986 has 64 divisors (see below), whose sum is σ = 51066902096640. Its totient is φ = 7021391984640.

The previous prime is 22022120011891. The next prime is 22022120011987. The reversal of 22022120011986 is 68911002122022.

22022120011986 is a `hidden beast` number, since 220 + 221 + 20 + 0 + 1 + 198 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22022120011986.

It is not an unprimeable number, because it can be changed into a prime (22022120011987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65625106 + ... + 65959826.

It is an arithmetic number, because the mean of its divisors is an integer number (797920345260).

Almost surely, 2^{22022120011986} is an apocalyptic number.

22022120011986 is an abundant number, since it is smaller than the sum of its proper divisors (29044782084654).

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

22022120011986 is a wasteful number, since it uses less digits than its factorization.

22022120011986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387728 (or 387722 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 22022120011986 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, eleven thousand, nine hundred eighty-six".