231213332222 has 8 divisors (see below), whose sum is σ = 346896792936. Its totient is φ = 115581067912.

The previous prime is 231213332221. The next prime is 231213332227. The reversal of 231213332222 is 222233312132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 231213332191 and 231213332200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231213332221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12787808 + ... + 12805875.

It is an arithmetic number, because the mean of its divisors is an integer number (43362099117).

Almost surely, 2^231213332222 is an apocalyptic number.

231213332222 is a deficient number, since it is larger than the sum of its proper divisors (115683460714).

231213332222 is a wasteful number, since it uses less digits than its factorization.

231213332222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25598202.

The product of its digits is 5184, while the sum is 26.

Adding to 231213332222 its reverse (222233312132), we get a palindrome (453446644354).

The spelling of 231213332222 in words is "two hundred thirty-one billion, two hundred thirteen million, three hundred thirty-two thousand, two hundred twenty-two".