22268544 has 32 divisors (see below), whose sum is σ = 59151840. Its totient is φ = 7422720.

The previous prime is 22268537. The next prime is 22268567. The reversal of 22268544 is 44586222.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28612 + ... + 29379.

It is an arithmetic number, because the mean of its divisors is an integer number (1848495).

Almost surely, 2^22268544 is an apocalyptic number.

22268544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22268544 is an abundant number, since it is smaller than the sum of its proper divisors (36883296).

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

22268544 is an equidigital number, since it uses as much as digits as its factorization.

22268544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58008 (or 57996 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 22268544 is about 4718.9558167035. The cubic root of 22268544 is about 281.3394326947.

The spelling of 22268544 in words is "twenty-two million, two hundred sixty-eight thousand, five hundred forty-four".