23131332222 has 32 divisors (see below), whose sum is σ = 48813313920. Its totient is φ = 7287265440.

The previous prime is 23131332199. The next prime is 23131332239. The reversal of 23131332222 is 22223313132.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23131332192 and 23131332201.

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, 192988 + ... + 288975.

It is an arithmetic number, because the mean of its divisors is an integer number (1525416060).

Almost surely, 2^23131332222 is an apocalyptic number.

23131332222 is an abundant number, since it is smaller than the sum of its proper divisors (25681981698).

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

23131332222 is a wasteful number, since it uses less digits than its factorization.

23131332222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482408.

The product of its digits is 2592, while the sum is 24.

Adding to 23131332222 its reverse (22223313132), we get a palindrome (45354645354).

The spelling of 23131332222 in words is "twenty-three billion, one hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-two".