22465816 has 16 divisors (see below), whose sum is σ = 42310800. Its totient is φ = 11182944.

The previous prime is 22465811. The next prime is 22465819. The reversal of 22465816 is 61856422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22465811) 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, 4300 + ... + 7963.

It is an arithmetic number, because the mean of its divisors is an integer number (2644425).

Almost surely, 2^22465816 is an apocalyptic number.

It is an amenable number.

22465816 is a deficient number, since it is larger than the sum of its proper divisors (19844984).

22465816 is a wasteful number, since it uses less digits than its factorization.

22465816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498 (or 12494 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 22465816 is about 4739.8118106102. The cubic root of 22465816 is about 282.1677656403.

The spelling of 22465816 in words is "twenty-two million, four hundred sixty-five thousand, eight hundred sixteen".