231322232022 has 48 divisors (see below), whose sum is σ = 541400993280. Its totient is φ = 65696291472.

The previous prime is 231322232021. The next prime is 231322232077. The reversal of 231322232022 is 220232223132.

It is a junction number, because it is equal to n+sod(n) for n = 231322231983 and 231322232001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231322232021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2306622 + ... + 2404817.

It is an arithmetic number, because the mean of its divisors is an integer number (11279187360).

Almost surely, 2^231322232022 is an apocalyptic number.

231322232022 is an abundant number, since it is smaller than the sum of its proper divisors (310078761258).

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

231322232022 is a wasteful number, since it uses less digits than its factorization.

231322232022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711625 (or 4711618 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 231322232022 its reverse (220232223132), we get a palindrome (451554455154).

The spelling of 231322232022 in words is "two hundred thirty-one billion, three hundred twenty-two million, two hundred thirty-two thousand, twenty-two".