22457944 has 16 divisors (see below), whose sum is σ = 42199920. Its totient is φ = 11204640.

The previous prime is 22457917. The next prime is 22457951. The reversal of 22457944 is 44975422.

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 3 ways as a sum of consecutive naturals, for example, 1234 + ... + 6814.

It is an arithmetic number, because the mean of its divisors is an integer number (2637495).

Almost surely, 2^22457944 is an apocalyptic number.

It is an amenable number.

22457944 is a deficient number, since it is larger than the sum of its proper divisors (19741976).

22457944 is a wasteful number, since it uses less digits than its factorization.

22457944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090 (or 6086 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 22457944 is about 4738.9813251373. The cubic root of 22457944 is about 282.1348046870.

The spelling of 22457944 in words is "twenty-two million, four hundred fifty-seven thousand, nine hundred forty-four".