22997763 has 14 divisors (see below), whose sum is σ = 34481964. Its totient is φ = 15331356.

The previous prime is 22997759. The next prime is 22997773. The reversal of 22997763 is 36779922.

It is a happy number.

It is not a de Polignac number, because 22997763 - 2² = 22997759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22997713) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15045 + ... + 16502.

Almost surely, 2^22997763 is an apocalyptic number.

22997763 is a deficient number, since it is larger than the sum of its proper divisors (11484201).

22997763 is an frugal number, since it uses more digits than its factorization.

22997763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31565 (or 31550 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 22997763 is about 4795.5982942694. The cubic root of 22997763 is about 284.3774777870.

The spelling of 22997763 in words is "twenty-two million, nine hundred ninety-seven thousand, seven hundred sixty-three".