222044111 has 2 divisors, whose sum is σ = 222044112. Its totient is φ = 222044110.

The previous prime is 222044101. The next prime is 222044143. The reversal of 222044111 is 111440222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222044111 - 2²⁶ = 154935247 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 222044111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222044101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111022055 + 111022056.

It is an arithmetic number, because the mean of its divisors is an integer number (111022056).

Almost surely, 2^222044111 is an apocalyptic number.

222044111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222044111 is an equidigital number, since it uses as much as digits as its factorization.

222044111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 222044111 is about 14901.1446204646. The cubic root of 222044111 is about 605.5449962390.

Adding to 222044111 its reverse (111440222), we get a palindrome (333484333).

The spelling of 222044111 in words is "two hundred twenty-two million, forty-four thousand, one hundred eleven".