22044880 has 160 divisors (see below), whose sum is σ = 62995968. Its totient is φ = 7065600.

The previous prime is 22044877. The next prime is 22044887. The reversal of 22044880 is 8844022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044887) 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, 469017 + ... + 469063.

Almost surely, 2^22044880 is an apocalyptic number.

22044880 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 22044880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31497984).

22044880 is an abundant number, since it is smaller than the sum of its proper divisors (40951088).

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

22044880 is a wasteful number, since it uses less digits than its factorization.

22044880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 22044880 is about 4695.1975464298. The cubic root of 22044880 is about 280.3943423204.

The spelling of 22044880 in words is "twenty-two million, forty-four thousand, eight hundred eighty".