22715766 has 24 divisors (see below), whose sum is σ = 51358320. Its totient is φ = 7242576.

The previous prime is 22715753. The next prime is 22715801. The reversal of 22715766 is 66751722.

It is a self number, because there is not a number n which added to its sum of digits gives 22715766.

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, 27021 + ... + 27848.

It is an arithmetic number, because the mean of its divisors is an integer number (2139930).

Almost surely, 2^22715766 is an apocalyptic number.

22715766 is an abundant number, since it is smaller than the sum of its proper divisors (28642554).

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

22715766 is a wasteful number, since it uses less digits than its factorization.

22715766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54900 (or 54897 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 22715766 is about 4766.1059576975. The cubic root of 22715766 is about 283.2103552423.

The spelling of 22715766 in words is "twenty-two million, seven hundred fifteen thousand, seven hundred sixty-six".