22372880 has 80 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 8248320.

The previous prime is 22372873. The next prime is 22372897. The reversal of 22372880 is 8827322.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62141 + ... + 62499.

It is an arithmetic number, because the mean of its divisors is an integer number (703080).

Almost surely, 2^22372880 is an apocalyptic number.

22372880 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 22372880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28123200).

22372880 is an abundant number, since it is smaller than the sum of its proper divisors (33873520).

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

22372880 is a wasteful number, since it uses less digits than its factorization.

22372880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 22372880 is about 4729.9978858346. The cubic root of 22372880 is about 281.7781398033.

The spelling of 22372880 in words is "twenty-two million, three hundred seventy-two thousand, eight hundred eighty".