22776465 has 16 divisors (see below), whose sum is σ = 36502848. Its totient is φ = 12127296.

The previous prime is 22776451. The next prime is 22776491. The reversal of 22776465 is 56467722.

It is a happy number.

It is not a de Polignac number, because 22776465 - 2⁵ = 22776433 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14194 + ... + 15716.

It is an arithmetic number, because the mean of its divisors is an integer number (2281428).

Almost surely, 2^22776465 is an apocalyptic number.

It is an amenable number.

22776465 is a deficient number, since it is larger than the sum of its proper divisors (13726383).

22776465 is a wasteful number, since it uses less digits than its factorization.

22776465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528.

The product of its digits is 141120, while the sum is 39.

The square root of 22776465 is about 4772.4694865447. The cubic root of 22776465 is about 283.4623871914.

The spelling of 22776465 in words is "twenty-two million, seven hundred seventy-six thousand, four hundred sixty-five".