22686872992 has 72 divisors (see below), whose sum is σ = 52301622240. Its totient is φ = 9658454400.

The previous prime is 22686872987. The next prime is 22686873017. The reversal of 22686872992 is 29927868622.

It is a self number, because there is not a number n which added to its sum of digits gives 22686872992.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188859 + ... + 284677.

It is an arithmetic number, because the mean of its divisors is an integer number (726411420).

Almost surely, 2^22686872992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22686872992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26150811120).

22686872992 is an abundant number, since it is smaller than the sum of its proper divisors (29614749248).

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

22686872992 is a wasteful number, since it uses less digits than its factorization.

22686872992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95994 (or 95979 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The spelling of 22686872992 in words is "twenty-two billion, six hundred eighty-six million, eight hundred seventy-two thousand, nine hundred ninety-two".