231799636222 has 32 divisors (see below), whose sum is σ = 436908810240. Its totient is φ = 89600424480.

The previous prime is 231799636177. The next prime is 231799636231. The reversal of 231799636222 is 222636997132.

It is a self number, because there is not a number n which added to its sum of digits gives 231799636222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5906397 + ... + 5945512.

It is an arithmetic number, because the mean of its divisors is an integer number (13653400320).

Almost surely, 2^231799636222 is an apocalyptic number.

231799636222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231799636222 is a deficient number, since it is larger than the sum of its proper divisors (205109174018).

231799636222 is a wasteful number, since it uses less digits than its factorization.

231799636222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852056.

The product of its digits is 2939328, while the sum is 52.

The spelling of 231799636222 in words is "two hundred thirty-one billion, seven hundred ninety-nine million, six hundred thirty-six thousand, two hundred twenty-two".