22256199 has 24 divisors (see below), whose sum is σ = 36864672. Its totient is φ = 12674880.

The previous prime is 22256189. The next prime is 22256209. The reversal of 22256199 is 99165222.

It is a happy number.

22256199 is a `hidden beast` number, since 2 + 2 + 2 + 561 + 99 = 666.

It is an interprime number because it is at equal distance from previous prime (22256189) and next prime (22256209).

It is not a de Polignac number, because 22256199 - 2⁹ = 22255687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22256189) 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 in 23 ways as a sum of consecutive naturals, for example, 33757 + ... + 34409.

It is an arithmetic number, because the mean of its divisors is an integer number (1536028).

Almost surely, 2^22256199 is an apocalyptic number.

22256199 is a deficient number, since it is larger than the sum of its proper divisors (14608473).

22256199 is a wasteful number, since it uses less digits than its factorization.

22256199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1204 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 22256199 is about 4717.6476129529. The cubic root of 22256199 is about 281.2874344247.

The spelling of 22256199 in words is "twenty-two million, two hundred fifty-six thousand, one hundred ninety-nine".