22256544 has 24 divisors (see below), whose sum is σ = 58423680. Its totient is φ = 7418816.

The previous prime is 22256527. The next prime is 22256551. The reversal of 22256544 is 44565222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×22256544³ (a number of 23 digits) contains 333 as substring.

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, 115824 + ... + 116015.

It is an arithmetic number, because the mean of its divisors is an integer number (2434320).

Almost surely, 2^22256544 is an apocalyptic number.

22256544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22256544 is an abundant number, since it is smaller than the sum of its proper divisors (36167136).

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

22256544 is a wasteful number, since it uses less digits than its factorization.

22256544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231852 (or 231844 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 22256544 is about 4717.6841776448. The cubic root of 22256544 is about 281.2888878574.

The spelling of 22256544 in words is "twenty-two million, two hundred fifty-six thousand, five hundred forty-four".