22774790 has 24 divisors (see below), whose sum is σ = 41926032. Its totient is φ = 8907440.

The previous prime is 22774771. The next prime is 22774823. The reversal of 22774790 is 9747722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21575 + ... + 22605.

It is an arithmetic number, because the mean of its divisors is an integer number (1746918).

Almost surely, 2^22774790 is an apocalyptic number.

22774790 is a deficient number, since it is larger than the sum of its proper divisors (19151242).

22774790 is a wasteful number, since it uses less digits than its factorization.

22774790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 22774790 is about 4772.2939976493. The cubic root of 22774790 is about 283.4554383352.

The spelling of 22774790 in words is "twenty-two million, seven hundred seventy-four thousand, seven hundred ninety".