22004344 has 32 divisors (see below), whose sum is σ = 42955200. Its totient is φ = 10558080.

The previous prime is 22004329. The next prime is 22004363. The reversal of 22004344 is 44340022.

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 7 ways as a sum of consecutive naturals, for example, 22914 + ... + 23854.

It is an arithmetic number, because the mean of its divisors is an integer number (1342350).

Almost surely, 2^22004344 is an apocalyptic number.

It is an amenable number.

22004344 is a deficient number, since it is larger than the sum of its proper divisors (20950856).

22004344 is a wasteful number, since it uses less digits than its factorization.

22004344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22004344 is about 4690.8788089227. The cubic root of 22004344 is about 280.2223743652. Note that the first 3 decimals are identical.

Adding to 22004344 its reverse (44340022), we get a palindrome (66344366).

The spelling of 22004344 in words is "twenty-two million, four thousand, three hundred forty-four".