222212233 has 2 divisors, whose sum is σ = 222212234. Its totient is φ = 222212232.

The previous prime is 222212209. The next prime is 222212273. The reversal of 222212233 is 332212222.

222212233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206554384 + 15657849 = 14372^2 + 3957^2 .

It is a cyclic number.

It is not a de Polignac number, because 222212233 - 2⁹ = 222211721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222212233.

It is not a weakly prime, because it can be changed into another prime (222212273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106116 + 111106117.

It is an arithmetic number, because the mean of its divisors is an integer number (111106117).

Almost surely, 2^222212233 is an apocalyptic number.

It is an amenable number.

222212233 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212233 is an equidigital number, since it uses as much as digits as its factorization.

222212233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 19.

The square root of 222212233 is about 14906.7847975343. The cubic root of 222212233 is about 605.6977883307.

Adding to 222212233 its reverse (332212222), we get a palindrome (554424455).

The spelling of 222212233 in words is "two hundred twenty-two million, two hundred twelve thousand, two hundred thirty-three".