232221233 has 2 divisors, whose sum is σ = 232221234. Its totient is φ = 232221232.

The previous prime is 232221229. The next prime is 232221257. The reversal of 232221233 is 332122232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177209344 + 55011889 = 13312^2 + 7417^2 .

It is a cyclic number.

It is not a de Polignac number, because 232221233 - 2² = 232221229 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232221293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116110616 + 116110617.

It is an arithmetic number, because the mean of its divisors is an integer number (116110617).

Almost surely, 2^232221233 is an apocalyptic number.

It is an amenable number.

232221233 is a deficient number, since it is larger than the sum of its proper divisors (1).

232221233 is an equidigital number, since it uses as much as digits as its factorization.

232221233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 20.

The square root of 232221233 is about 15238.8068102460. The cubic root of 232221233 is about 614.6586185658.

Adding to 232221233 its reverse (332122232), we get a palindrome (564343465).

Subtracting 232221233 from its reverse (332122232), we obtain a palindrome (99900999).

The spelling of 232221233 in words is "two hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty-three".