22080400884 has 36 divisors (see below), whose sum is σ = 55957863780. Its totient is φ = 7341208320.

The previous prime is 22080400879. The next prime is 22080400891. The reversal of 22080400884 is 48800408022.

It can be written as a sum of positive squares in 2 ways, for example, as 7017747984 + 15062652900 = 83772^2 + 122730^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 774357 + ... + 802364.

It is an arithmetic number, because the mean of its divisors is an integer number (1554385105).

Almost surely, 2^22080400884 is an apocalyptic number.

It is an amenable number.

22080400884 is an abundant number, since it is smaller than the sum of its proper divisors (33877462896).

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

22080400884 is a wasteful number, since it uses less digits than its factorization.

22080400884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577120 (or 1577115 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The spelling of 22080400884 in words is "twenty-two billion, eighty million, four hundred thousand, eight hundred eighty-four".