232222231 has 4 divisors (see below), whose sum is σ = 237622792. Its totient is φ = 226821672.

The previous prime is 232222229. The next prime is 232222241. The reversal of 232222231 is 132222232.

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 232222231 - 2¹ = 232222229 is a prime.

It is a super-2 number, since 2×232222231² = 107854329141234722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232222199 and 232222208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232222241) 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, 2700216 + ... + 2700301.

It is an arithmetic number, because the mean of its divisors is an integer number (59405698).

Almost surely, 2^232222231 is an apocalyptic number.

232222231 is a deficient number, since it is larger than the sum of its proper divisors (5400561).

232222231 is an equidigital number, since it uses as much as digits as its factorization.

232222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400560.

The product of its digits is 576, while the sum is 19.

The square root of 232222231 is about 15238.8395555567. The cubic root of 232222231 is about 614.6594990888.

Adding to 232222231 its reverse (132222232), we get a palindrome (364444463).

Subtracting from 232222231 its reverse (132222232), we obtain a palindrome (99999999).

The spelling of 232222231 in words is "two hundred thirty-two million, two hundred twenty-two thousand, two hundred thirty-one".