222131212323 has 16 divisors (see below), whose sum is σ = 304193450400. Its totient is φ = 144078587136.

The previous prime is 222131212319. The next prime is 222131212337. The reversal of 222131212323 is 323212131222.

It is not a de Polignac number, because 222131212323 - 2² = 222131212319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222131212293 and 222131212302.

It is not an unprimeable number, because it can be changed into a prime (222131212313) 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, 4208311 + ... + 4260767.

It is an arithmetic number, because the mean of its divisors is an integer number (19012090650).

Almost surely, 2^222131212323 is an apocalyptic number.

222131212323 is a deficient number, since it is larger than the sum of its proper divisors (82062238077).

222131212323 is a wasteful number, since it uses less digits than its factorization.

222131212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90646.

The product of its digits is 1728, while the sum is 24.

Adding to 222131212323 its reverse (323212131222), we get a palindrome (545343343545).

The spelling of 222131212323 in words is "two hundred twenty-two billion, one hundred thirty-one million, two hundred twelve thousand, three hundred twenty-three".