22046444 has 24 divisors (see below), whose sum is σ = 45120768. Its totient is φ = 9228240.

The previous prime is 22046419. The next prime is 22046473. The reversal of 22046444 is 44464022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7952 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (1880032).

Almost surely, 2^22046444 is an apocalyptic number.

It is an amenable number.

22046444 is an abundant number, since it is smaller than the sum of its proper divisors (23074324).

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

22046444 is a wasteful number, since it uses less digits than its factorization.

22046444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18365 (or 18363 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 22046444 is about 4695.3640966383. The cubic root of 22046444 is about 280.4009731326.

It can be divided in two parts, 220 and 46444, that added together give a palindrome (46664).

The spelling of 22046444 in words is "twenty-two million, forty-six thousand, four hundred forty-four".