22791004 has 6 divisors (see below), whose sum is σ = 39884264. Its totient is φ = 11395500.

The previous prime is 22790993. The next prime is 22791011. The reversal of 22791004 is 40019722.

It is a self number, because there is not a number n which added to its sum of digits gives 22791004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2848872 + ... + 2848879.

Almost surely, 2^22791004 is an apocalyptic number.

It is an amenable number.

22791004 is a deficient number, since it is larger than the sum of its proper divisors (17093260).

22791004 is a wasteful number, since it uses less digits than its factorization.

22791004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697755 (or 5697753 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 22791004 is about 4773.9924591478. The cubic root of 22791004 is about 283.5226889553.

The spelling of 22791004 in words is "twenty-two million, seven hundred ninety-one thousand, four".