222312199 has 2 divisors, whose sum is σ = 222312200. Its totient is φ = 222312198.

The previous prime is 222312163. The next prime is 222312221. The reversal of 222312199 is 991213222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222312199 - 2⁷ = 222312071 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222312199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222312599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111156099 + 111156100.

It is an arithmetic number, because the mean of its divisors is an integer number (111156100).

Almost surely, 2^222312199 is an apocalyptic number.

222312199 is a deficient number, since it is larger than the sum of its proper divisors (1).

222312199 is an equidigital number, since it uses as much as digits as its factorization.

222312199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 222312199 is about 14910.1374574482. The cubic root of 222312199 is about 605.7886025744.

The spelling of 222312199 in words is "two hundred twenty-two million, three hundred twelve thousand, one hundred ninety-nine".