22440112 has 20 divisors (see below), whose sum is σ = 43553016. Its totient is φ = 11200640.

The previous prime is 22440059. The next prime is 22440133. The reversal of 22440112 is 21104422.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14412 + ... + 15892.

Almost surely, 2^22440112 is an apocalyptic number.

It is an amenable number.

22440112 is a deficient number, since it is larger than the sum of its proper divisors (21112904).

22440112 is a wasteful number, since it uses less digits than its factorization.

22440112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2430 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 22440112 is about 4737.0995345253. The cubic root of 22440112 is about 282.0601115925.

Adding to 22440112 its reverse (21104422), we get a palindrome (43544534).

The spelling of 22440112 in words is "twenty-two million, four hundred forty thousand, one hundred twelve".