222111233 has 2 divisors, whose sum is σ = 222111234. Its totient is φ = 222111232.

The previous prime is 222111209. The next prime is 222111251. The reversal of 222111233 is 332111222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184742464 + 37368769 = 13592^2 + 6113^2 .

It is a cyclic number.

It is not a de Polignac number, because 222111233 - 2¹⁴ = 222094849 is a prime.

It is not a weakly prime, because it can be changed into another prime (222111283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055616 + 111055617.

It is an arithmetic number, because the mean of its divisors is an integer number (111055617).

Almost surely, 2^222111233 is an apocalyptic number.

It is an amenable number.

222111233 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111233 is an equidigital number, since it uses as much as digits as its factorization.

222111233 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 222111233 is about 14903.3966933716. The cubic root of 222111233 is about 605.6060070838.

Adding to 222111233 its reverse (332111222), we get a palindrome (554222455).

The spelling of 222111233 in words is "two hundred twenty-two million, one hundred eleven thousand, two hundred thirty-three".