222211223 has 16 divisors (see below), whose sum is σ = 242681376. Its totient is φ = 202245120.

The previous prime is 222211201. The next prime is 222211247. The reversal of 222211223 is 322112222.

It is a cyclic number.

It is not a de Polignac number, because 222211223 - 2²⁰ = 221162647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222210223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486011 + ... + 486467.

It is an arithmetic number, because the mean of its divisors is an integer number (15167586).

Almost surely, 2^222211223 is an apocalyptic number.

222211223 is a deficient number, since it is larger than the sum of its proper divisors (20470153).

222211223 is a wasteful number, since it uses less digits than its factorization.

222211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914.

The product of its digits is 192, while the sum is 17.

The square root of 222211223 is about 14906.7509203045. The cubic root of 222211223 is about 605.6968706559.

Adding to 222211223 its reverse (322112222), we get a palindrome (544323445).

Subtracting 222211223 from its reverse (322112222), we obtain a palindrome (99900999).

The spelling of 222211223 in words is "two hundred twenty-two million, two hundred eleven thousand, two hundred twenty-three".