222323223 has 24 divisors (see below), whose sum is σ = 306861808. Its totient is φ = 143136000.

The previous prime is 222323177. The next prime is 222323239. The reversal of 222323223 is 322323222.

It is not a de Polignac number, because 222323223 - 2⁶ = 222323159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222323223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222343223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 922383 + ... + 922623.

Almost surely, 2^222323223 is an apocalyptic number.

222323223 is a deficient number, since it is larger than the sum of its proper divisors (84538585).

222323223 is an equidigital number, since it uses as much as digits as its factorization.

222323223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 376 counting only the distinct ones).

The product of its digits is 1728, while the sum is 21.

The square root of 222323223 is about 14910.5071342326. The cubic root of 222323223 is about 605.7986156749.

Adding to 222323223 its reverse (322323222), we get a palindrome (544646445).

Subtracting 222323223 from its reverse (322323222), we obtain a palindrome (99999999).

The spelling of 222323223 in words is "two hundred twenty-two million, three hundred twenty-three thousand, two hundred twenty-three".