22788930 has 16 divisors (see below), whose sum is σ = 54693504. Its totient is φ = 6077040.

The previous prime is 22788869. The next prime is 22788943. The reversal of 22788930 is 3988722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379786 + ... + 379845.

It is an arithmetic number, because the mean of its divisors is an integer number (3418344).

Almost surely, 2^22788930 is an apocalyptic number.

22788930 is an abundant number, since it is smaller than the sum of its proper divisors (31904574).

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

22788930 is a wasteful number, since it uses less digits than its factorization.

22788930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759641.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 22788930 is about 4773.7752355971. The cubic root of 22788930 is about 283.5140884289.

The spelling of 22788930 in words is "twenty-two million, seven hundred eighty-eight thousand, nine hundred thirty".