22776464 has 20 divisors (see below), whose sum is σ = 46725804. Its totient is φ = 10718208.

The previous prime is 22776451. The next prime is 22776491. The reversal of 22776464 is 46467722.

It can be written as a sum of positive squares in 2 ways, for example, as 11833600 + 10942864 = 3440^2 + 3308^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41597 + ... + 42140.

Almost surely, 2^22776464 is an apocalyptic number.

It is an amenable number.

22776464 is an abundant number, since it is smaller than the sum of its proper divisors (23949340).

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

22776464 is a wasteful number, since it uses less digits than its factorization.

22776464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83762 (or 83756 counting only the distinct ones).

The product of its digits is 112896, while the sum is 38.

The square root of 22776464 is about 4772.4693817771. The cubic root of 22776464 is about 283.4623830429.

The spelling of 22776464 in words is "twenty-two million, seven hundred seventy-six thousand, four hundred sixty-four".