22791048 has 32 divisors (see below), whose sum is σ = 65117760. Its totient is φ = 6511680.

The previous prime is 22791037. The next prime is 22791049. The reversal of 22791048 is 84019722.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22791049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67663 + ... + 67998.

It is an arithmetic number, because the mean of its divisors is an integer number (2034930).

Almost surely, 2^22791048 is an apocalyptic number.

22791048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22791048 is an abundant number, since it is smaller than the sum of its proper divisors (42326712).

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

22791048 is a wasteful number, since it uses less digits than its factorization.

22791048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135677 (or 135673 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 22791048 is about 4773.9970674478. The cubic root of 22791048 is about 283.5228714102.

The spelling of 22791048 in words is "twenty-two million, seven hundred ninety-one thousand, forty-eight".