22044199 has 4 divisors (see below), whose sum is σ = 23204440. Its totient is φ = 20883960.

The previous prime is 22044157. The next prime is 22044203. The reversal of 22044199 is 99144022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22044199 - 2²³ = 13655591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22044199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044109) 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, 580092 + ... + 580129.

It is an arithmetic number, because the mean of its divisors is an integer number (5801110).

Almost surely, 2^22044199 is an apocalyptic number.

22044199 is a deficient number, since it is larger than the sum of its proper divisors (1160241).

22044199 is a wasteful number, since it uses less digits than its factorization.

22044199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160240.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 22044199 is about 4695.1250249594. The cubic root of 22044199 is about 280.3914550209.

The spelling of 22044199 in words is "twenty-two million, forty-four thousand, one hundred ninety-nine".