22044180 has 96 divisors (see below), whose sum is σ = 66245760. Its totient is φ = 5460480.

The previous prime is 22044157. The next prime is 22044203. The reversal of 22044180 is 8144022.

It is an interprime number because it is at equal distance from previous prime (22044157) and next prime (22044203).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69382 + ... + 69698.

It is an arithmetic number, because the mean of its divisors is an integer number (690060).

Almost surely, 2^22044180 is an apocalyptic number.

22044180 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 22044180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33122880).

22044180 is an abundant number, since it is smaller than the sum of its proper divisors (44201580).

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

22044180 is a wasteful number, since it uses less digits than its factorization.

22044180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 22044180 is about 4695.1230015837. The cubic root of 22044180 is about 280.3913744639.

The spelling of 22044180 in words is "twenty-two million, forty-four thousand, one hundred eighty".