22044022 has 72 divisors (see below), whose sum is σ = 45812952. Its totient is φ = 7927920.

The previous prime is 22044017. The next prime is 22044049.

22044022 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22043987 and 22044005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1695688 + ... + 1695700.

It is an arithmetic number, because the mean of its divisors is an integer number (636291).

Almost surely, 2^22044022 is an apocalyptic number.

22044022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22044022 is an abundant number, since it is smaller than the sum of its proper divisors (23768930).

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

22044022 is a wasteful number, since it uses less digits than its factorization.

22044022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22044022 is about 4695.1061755833. The cubic root of 22044022 is about 280.3907045676.

It can be divided in two parts, 2204 and 4022, that added together give a palindrome (6226).

The spelling of 22044022 in words is "twenty-two million, forty-four thousand, twenty-two".