22865437 has 16 divisors (see below), whose sum is σ = 26681472. Its totient is φ = 19192320.

The previous prime is 22865393. The next prime is 22865441. The reversal of 22865437 is 73456822.

It is not a de Polignac number, because 22865437 - 2⁷ = 22865309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22865396 and 22865405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22865467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108262 + ... + 108472.

It is an arithmetic number, because the mean of its divisors is an integer number (1667592).

Almost surely, 2^22865437 is an apocalyptic number.

It is an amenable number.

22865437 is a deficient number, since it is larger than the sum of its proper divisors (3816035).

22865437 is a wasteful number, since it uses less digits than its factorization.

22865437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its digits is 80640, while the sum is 37.

The square root of 22865437 is about 4781.7817808846. The cubic root of 22865437 is about 283.8310052253.

The spelling of 22865437 in words is "twenty-two million, eight hundred sixty-five thousand, four hundred thirty-seven".