22420199 has 4 divisors (see below), whose sum is σ = 22596864. Its totient is φ = 22243536.

The previous prime is 22420183. The next prime is 22420201. The reversal of 22420199 is 99102422.

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 22420199 - 2⁴ = 22420183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420129) 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, 88142 + ... + 88395.

It is an arithmetic number, because the mean of its divisors is an integer number (5649216).

Almost surely, 2^22420199 is an apocalyptic number.

22420199 is a deficient number, since it is larger than the sum of its proper divisors (176665).

22420199 is a wasteful number, since it uses less digits than its factorization.

22420199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176664.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 22420199 is about 4734.9972544871. The cubic root of 22420199 is about 281.9766550096.

The spelling of 22420199 in words is "twenty-two million, four hundred twenty thousand, one hundred ninety-nine".