222312122222 has 16 divisors (see below), whose sum is σ = 341344077360. Its totient is φ = 108532593792.

The previous prime is 222312122173. The next prime is 222312122239. The reversal of 222312122222 is 222221213222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212597 + ... + 699872.

It is an arithmetic number, because the mean of its divisors is an integer number (21334004835).

Almost surely, 2^222312122222 is an apocalyptic number.

222312122222 is a deficient number, since it is larger than the sum of its proper divisors (119031955138).

222312122222 is a wasteful number, since it uses less digits than its factorization.

222312122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915347.

The product of its digits is 1536, while the sum is 23.

Adding to 222312122222 its reverse (222221213222), we get a palindrome (444533335444).

The spelling of 222312122222 in words is "two hundred twenty-two billion, three hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".