22864797 has 6 divisors (see below), whose sum is σ = 33026942. Its totient is φ = 15243192.

The previous prime is 22864781. The next prime is 22864811. The reversal of 22864797 is 79746822.

It can be written as a sum of positive squares in only one way, i.e., 15280281 + 7584516 = 3909^2 + 2754^2 .

It is not a de Polignac number, because 22864797 - 2⁴ = 22864781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22864727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1270258 + ... + 1270275.

Almost surely, 2^22864797 is an apocalyptic number.

It is an amenable number.

22864797 is a deficient number, since it is larger than the sum of its proper divisors (10162145).

22864797 is a wasteful number, since it uses less digits than its factorization.

22864797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540539 (or 2540536 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 22864797 is about 4781.7148597548. The cubic root of 22864797 is about 283.8283570721.

It can be divided in two parts, 228 and 64797, that added together give a square (65025 = 255²).

The spelling of 22864797 in words is "twenty-two million, eight hundred sixty-four thousand, seven hundred ninety-seven".