232222222231 has 4 divisors (see below), whose sum is σ = 232408150000. Its totient is φ = 232036294464.

The previous prime is 232222222091. The next prime is 232222222259. The reversal of 232222222231 is 132222222232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232222222231 - 2³¹ = 230074738583 is a prime.

It is a super-2 number, since 2×232222222231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232222222196 and 232222222205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232222222031) 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, 92962011 + ... + 92964508.

It is an arithmetic number, because the mean of its divisors is an integer number (58102037500).

Almost surely, 2^232222222231 is an apocalyptic number.

232222222231 is a deficient number, since it is larger than the sum of its proper divisors (185927769).

232222222231 is a wasteful number, since it uses less digits than its factorization.

232222222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185927768.

The product of its digits is 4608, while the sum is 25.

Adding to 232222222231 its reverse (132222222232), we get a palindrome (364444444463).

Subtracting from 232222222231 its reverse (132222222232), we obtain a palindrome (99999999999).

The spelling of 232222222231 in words is "two hundred thirty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty-one".