22400199 has 8 divisors (see below), whose sum is σ = 33185520. Its totient is φ = 14933448.

The previous prime is 22400173. The next prime is 22400219. The reversal of 22400199 is 99100422.

It is not a de Polignac number, because 22400199 - 2⁵ = 22400167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 829637 = 22400199 / (2 + 2 + 4 + 0 + 0 + 1 + 9 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414792 + ... + 414845.

It is an arithmetic number, because the mean of its divisors is an integer number (4148190).

Almost surely, 2^22400199 is an apocalyptic number.

22400199 is a deficient number, since it is larger than the sum of its proper divisors (10785321).

22400199 is an equidigital number, since it uses as much as digits as its factorization.

22400199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829646 (or 829640 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 22400199 is about 4732.8848496451. The cubic root of 22400199 is about 281.8927840494.

The spelling of 22400199 in words is "twenty-two million, four hundred thousand, one hundred ninety-nine".