222242223 has 16 divisors (see below), whose sum is σ = 338881536. Its totient is φ = 126910560.

The previous prime is 222242213. The next prime is 222242231. The reversal of 222242223 is 322242222.

It is not a de Polignac number, because 222242223 - 2¹⁷ = 222111151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 222242223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222242213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42490 + ... + 47432.

It is an arithmetic number, because the mean of its divisors is an integer number (21180096).

Almost surely, 2^222242223 is an apocalyptic number.

222242223 is a deficient number, since it is larger than the sum of its proper divisors (116639313).

222242223 is a wasteful number, since it uses less digits than its factorization.

222242223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094.

The product of its digits is 1536, while the sum is 21.

The square root of 222242223 is about 14907.7906813854. The cubic root of 222242223 is about 605.7250356448.

Adding to 222242223 its reverse (322242222), we get a palindrome (544484445).

Subtracting 222242223 from its reverse (322242222), we obtain a palindrome (99999999).

The spelling of 222242223 in words is "two hundred twenty-two million, two hundred forty-two thousand, two hundred twenty-three".