222222199 has 4 divisors (see below), whose sum is σ = 222420160. Its totient is φ = 222024240.

The previous prime is 222222193. The next prime is 222222227. The reversal of 222222199 is 991222222.

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 222222199 - 2¹³ = 222214007 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 222222199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222193) 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, 97287 + ... + 99544.

It is an arithmetic number, because the mean of its divisors is an integer number (55605040).

Almost surely, 2^222222199 is an apocalyptic number.

222222199 is a deficient number, since it is larger than the sum of its proper divisors (197961).

222222199 is a wasteful number, since it uses less digits than its factorization.

222222199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197960.

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

The square root of 222222199 is about 14907.1190711016. The cubic root of 222222199 is about 605.7068431786.

The spelling of 222222199 in words is "two hundred twenty-two million, two hundred twenty-two thousand, one hundred ninety-nine".