222122223 has 32 divisors (see below), whose sum is σ = 351436800. Its totient is φ = 138348000.

The previous prime is 222122209. The next prime is 222122231. The reversal of 222122223 is 322221222.

It is not a de Polignac number, because 222122223 - 2⁴ = 222122207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222122196 and 222122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122233) 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 31 ways as a sum of consecutive naturals, for example, 19698 + ... + 28848.

It is an arithmetic number, because the mean of its divisors is an integer number (10982400).

Almost surely, 2^222122223 is an apocalyptic number.

222122223 is a deficient number, since it is larger than the sum of its proper divisors (129314577).

222122223 is a wasteful number, since it uses less digits than its factorization.

222122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9220 (or 9214 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 222122223 is about 14903.7653967043. The cubic root of 222122223 is about 605.6159953228.

Adding to 222122223 its reverse (322221222), we get a palindrome (544343445).

The spelling of 222122223 in words is "two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-three".