22774764 has 24 divisors (see below), whose sum is σ = 56267568. Its totient is φ = 7144960.

The previous prime is 22774757. The next prime is 22774771. The reversal of 22774764 is 46747722.

It is an interprime number because it is at equal distance from previous prime (22774757) and next prime (22774771).

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, 55617 + ... + 56024.

It is an arithmetic number, because the mean of its divisors is an integer number (2344482).

Almost surely, 2^22774764 is an apocalyptic number.

It is an amenable number.

22774764 is an abundant number, since it is smaller than the sum of its proper divisors (33492804).

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

22774764 is a wasteful number, since it uses less digits than its factorization.

22774764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111665 (or 111663 counting only the distinct ones).

The product of its digits is 131712, while the sum is 39.

The square root of 22774764 is about 4772.2912735918. The cubic root of 22774764 is about 283.4553304697.

The spelling of 22774764 in words is "twenty-two million, seven hundred seventy-four thousand, seven hundred sixty-four".