220444199 has 2 divisors, whose sum is σ = 220444200. Its totient is φ = 220444198.

The previous prime is 220444177. The next prime is 220444243. The reversal of 220444199 is 991444022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220444199 - 2²⁰ = 219395623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220444139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110222099 + 110222100.

It is an arithmetic number, because the mean of its divisors is an integer number (110222100).

Almost surely, 2^220444199 is an apocalyptic number.

220444199 is a deficient number, since it is larger than the sum of its proper divisors (1).

220444199 is an equidigital number, since it uses as much as digits as its factorization.

220444199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 220444199 is about 14847.3633686254. The cubic root of 220444199 is about 604.0870952793.

The spelling of 220444199 in words is "two hundred twenty million, four hundred forty-four thousand, one hundred ninety-nine".