22865236 has 6 divisors (see below), whose sum is σ = 40014170. Its totient is φ = 11432616.

The previous prime is 22865233. The next prime is 22865239. The reversal of 22865236 is 63256822.

It is an interprime number because it is at equal distance from previous prime (22865233) and next prime (22865239).

It can be written as a sum of positive squares in only one way, i.e., 16892100 + 5973136 = 4110^2 + 2444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22865231) 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, 2858151 + ... + 2858158.

Almost surely, 2^22865236 is an apocalyptic number.

It is an amenable number.

22865236 is a deficient number, since it is larger than the sum of its proper divisors (17148934).

22865236 is a wasteful number, since it uses less digits than its factorization.

22865236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716313 (or 5716311 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 22865236 is about 4781.7607635682. The cubic root of 22865236 is about 283.8301735450.

The spelling of 22865236 in words is "twenty-two million, eight hundred sixty-five thousand, two hundred thirty-six".