22806399 has 16 divisors (see below), whose sum is σ = 37912320. Its totient is φ = 11847360.

The previous prime is 22806389. The next prime is 22806419. The reversal of 22806399 is 99360822.

It is not a de Polignac number, because 22806399 - 2⁸ = 22806143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22806379) 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, 49134 + ... + 49595.

It is an arithmetic number, because the mean of its divisors is an integer number (2369520).

Almost surely, 2^22806399 is an apocalyptic number.

22806399 is a deficient number, since it is larger than the sum of its proper divisors (15105921).

22806399 is a wasteful number, since it uses less digits than its factorization.

22806399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98750.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 22806399 is about 4775.6045690572. The cubic root of 22806399 is about 283.5865131053.

The spelling of 22806399 in words is "twenty-two million, eight hundred six thousand, three hundred ninety-nine".