22055044 has 24 divisors (see below), whose sum is σ = 43087968. Its totient is φ = 9791040.

The previous prime is 22055023. The next prime is 22055053. The reversal of 22055044 is 44055022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3937 + ... + 7720.

It is an arithmetic number, because the mean of its divisors is an integer number (1795332).

Almost surely, 2^22055044 is an apocalyptic number.

It is an amenable number.

22055044 is a deficient number, since it is larger than the sum of its proper divisors (21032924).

22055044 is a wasteful number, since it uses less digits than its factorization.

22055044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11715 (or 11713 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22055044 is about 4696.2798042706. The cubic root of 22055044 is about 280.4374285186.

Subtracting from 22055044 its sum of digits (22), we obtain a palindrome (22055022).

The spelling of 22055044 in words is "twenty-two million, fifty-five thousand, forty-four".