22766756 has 6 divisors (see below), whose sum is σ = 39841830. Its totient is φ = 11383376.

The previous prime is 22766747. The next prime is 22766761. The reversal of 22766756 is 65766722.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17926756 + 4840000 = 4234^2 + 2200^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845841 + ... + 2845848.

It is an arithmetic number, because the mean of its divisors is an integer number (6640305).

Almost surely, 2^22766756 is an apocalyptic number.

It is an amenable number.

22766756 is a deficient number, since it is larger than the sum of its proper divisors (17075074).

22766756 is a wasteful number, since it uses less digits than its factorization.

22766756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691693 (or 5691691 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 22766756 is about 4771.4521898474. The cubic root of 22766756 is about 283.4221039800.

The spelling of 22766756 in words is "twenty-two million, seven hundred sixty-six thousand, seven hundred fifty-six".