22412180 has 24 divisors (see below), whose sum is σ = 53789568. Its totient is φ = 7684128.

The previous prime is 22412179. The next prime is 22412183. The reversal of 22412180 is 8121422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22412183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79904 + ... + 80183.

It is an arithmetic number, because the mean of its divisors is an integer number (2241232).

Almost surely, 2^22412180 is an apocalyptic number.

22412180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22412180 is an abundant number, since it is smaller than the sum of its proper divisors (31377388).

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

22412180 is a wasteful number, since it uses less digits than its factorization.

22412180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160103 (or 160101 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 22412180 is about 4734.1503989628. The cubic root of 22412180 is about 281.9430329406.

The spelling of 22412180 in words is "twenty-two million, four hundred twelve thousand, one hundred eighty".