22412880 has 120 divisors (see below), whose sum is σ = 86042112. Its totient is φ = 5121792.

The previous prime is 22412869. The next prime is 22412893. The reversal of 22412880 is 8821422.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2817 + ... + 7263.

Almost surely, 2^22412880 is an apocalyptic number.

22412880 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 22412880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43021056).

22412880 is an abundant number, since it is smaller than the sum of its proper divisors (63629232).

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

22412880 is a wasteful number, since it uses less digits than its factorization.

22412880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473 (or 4464 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 22412880 is about 4734.2243292856. The cubic root of 22412880 is about 281.9459682206.

The spelling of 22412880 in words is "twenty-two million, four hundred twelve thousand, eight hundred eighty".