22807864 has 16 divisors (see below), whose sum is σ = 42815520. Its totient is φ = 11390400.

The previous prime is 22807859. The next prime is 22807867. The reversal of 22807864 is 46870822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22807867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11764 + ... + 13564.

It is an arithmetic number, because the mean of its divisors is an integer number (2675970).

Almost surely, 2^22807864 is an apocalyptic number.

It is an amenable number.

22807864 is a deficient number, since it is larger than the sum of its proper divisors (20007656).

22807864 is a wasteful number, since it uses less digits than its factorization.

22807864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3386 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 22807864 is about 4775.7579503153. The cubic root of 22807864 is about 283.5925851635.

The spelling of 22807864 in words is "twenty-two million, eight hundred seven thousand, eight hundred sixty-four".