22242199 has 4 divisors (see below), whose sum is σ = 25419664. Its totient is φ = 19064736.

The previous prime is 22242193. The next prime is 22242203. The reversal of 22242199 is 99124222.

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 22242199 - 2⁵ = 22242167 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 22242199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242193) 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, 1588722 + ... + 1588735.

It is an arithmetic number, because the mean of its divisors is an integer number (6354916).

Almost surely, 2^22242199 is an apocalyptic number.

22242199 is a deficient number, since it is larger than the sum of its proper divisors (3177465).

22242199 is an equidigital number, since it uses as much as digits as its factorization.

22242199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177464.

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

The square root of 22242199 is about 4716.1635891898. The cubic root of 22242199 is about 281.2284418702.

The spelling of 22242199 in words is "twenty-two million, two hundred forty-two thousand, one hundred ninety-nine".