22504942 has 8 divisors (see below), whose sum is σ = 33868296. Its totient is φ = 11215512.

The previous prime is 22504939. The next prime is 22504961. The reversal of 22504942 is 24940522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22504942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17713 + ... + 18940.

It is an arithmetic number, because the mean of its divisors is an integer number (4233537).

Almost surely, 2^22504942 is an apocalyptic number.

22504942 is a deficient number, since it is larger than the sum of its proper divisors (11363354).

22504942 is a wasteful number, since it uses less digits than its factorization.

22504942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36962.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 22504942 is about 4743.9373941906. The cubic root of 22504942 is about 282.3314764848.

The spelling of 22504942 in words is "twenty-two million, five hundred four thousand, nine hundred forty-two".