231022193322 has 32 divisors (see below), whose sum is σ = 473366436480. Its totient is φ = 75120807680.

The previous prime is 231022193291. The next prime is 231022193323. The reversal of 231022193322 is 223391220132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 231022193322.

It is not an unprimeable number, because it can be changed into a prime (231022193323) 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, 2395243 + ... + 2489825.

It is an arithmetic number, because the mean of its divisors is an integer number (14792701140).

Almost surely, 2^231022193322 is an apocalyptic number.

231022193322 is an abundant number, since it is smaller than the sum of its proper divisors (242344243158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231022193322 is a wasteful number, since it uses less digits than its factorization.

231022193322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104558.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 231022193322 in words is "two hundred thirty-one billion, twenty-two million, one hundred ninety-three thousand, three hundred twenty-two".