222323111 has 2 divisors, whose sum is σ = 222323112. Its totient is φ = 222323110.

The previous prime is 222323107. The next prime is 222323117. The reversal of 222323111 is 111323222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222323111 - 2² = 222323107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222323111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222323117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111161555 + 111161556.

It is an arithmetic number, because the mean of its divisors is an integer number (111161556).

Almost surely, 2^222323111 is an apocalyptic number.

222323111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222323111 is an equidigital number, since it uses as much as digits as its factorization.

222323111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 222323111 is about 14910.5033784913. The cubic root of 222323111 is about 605.7985139470.

Adding to 222323111 its reverse (111323222), we get a palindrome (333646333).

The spelling of 222323111 in words is "two hundred twenty-two million, three hundred twenty-three thousand, one hundred eleven".