22709587980 has 96 divisors (see below), whose sum is σ = 64249645824. Its totient is φ = 5992890624.

The previous prime is 22709587951. The next prime is 22709587991. The reversal of 22709587980 is 8978590722.

It is a self number, because there is not a number n which added to its sum of digits gives 22709587980.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11060634 + ... + 11062686.

It is an arithmetic number, because the mean of its divisors is an integer number (669267144).

Almost surely, 2^22709587980 is an apocalyptic number.

22709587980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22709587980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32124822912).

22709587980 is an abundant number, since it is smaller than the sum of its proper divisors (41540057844).

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

22709587980 is a wasteful number, since it uses less digits than its factorization.

22709587980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895 (or 3893 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 22709587980 in words is "twenty-two billion, seven hundred nine million, five hundred eighty-seven thousand, nine hundred eighty".