22766764 has 6 divisors (see below), whose sum is σ = 39841844. Its totient is φ = 11383380.

The previous prime is 22766761. The next prime is 22766819. The reversal of 22766764 is 46766722.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22766761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845842 + ... + 2845849.

Almost surely, 2^22766764 is an apocalyptic number.

It is an amenable number.

22766764 is a deficient number, since it is larger than the sum of its proper divisors (17075080).

22766764 is a wasteful number, since it uses less digits than its factorization.

22766764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691695 (or 5691693 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 22766764 is about 4771.4530281666. The cubic root of 22766764 is about 283.4221371772.

The spelling of 22766764 in words is "twenty-two million, seven hundred sixty-six thousand, seven hundred sixty-four".