222400233 has 12 divisors (see below), whose sum is σ = 350449008. Its totient is φ = 134787960.

The previous prime is 222400223. The next prime is 222400279. The reversal of 222400233 is 332004222.

222400233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222400233 - 2⁹ = 222399721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222400223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1123135 + ... + 1123332.

It is an arithmetic number, because the mean of its divisors is an integer number (29204084).

Almost surely, 2^222400233 is an apocalyptic number.

It is an amenable number.

222400233 is a deficient number, since it is larger than the sum of its proper divisors (128048775).

222400233 is a wasteful number, since it uses less digits than its factorization.

222400233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246484 (or 2246481 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 222400233 is about 14913.0893177772. The cubic root of 222400233 is about 605.8685546361.

Adding to 222400233 its reverse (332004222), we get a palindrome (554404455).

The spelling of 222400233 in words is "two hundred twenty-two million, four hundred thousand, two hundred thirty-three".