232332312221 has 2 divisors, whose sum is σ = 232332312222. Its totient is φ = 232332312220.

The previous prime is 232332312211. The next prime is 232332312229. The reversal of 232332312221 is 122213233232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121849864900 + 110482447321 = 349070^2 + 332389^2 .

It is a cyclic number.

It is not a de Polignac number, because 232332312221 - 2³⁰ = 231258570397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232332312229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116166156110 + 116166156111.

It is an arithmetic number, because the mean of its divisors is an integer number (116166156111).

Almost surely, 2^232332312221 is an apocalyptic number.

It is an amenable number.

232332312221 is a deficient number, since it is larger than the sum of its proper divisors (1).

232332312221 is an equidigital number, since it uses as much as digits as its factorization.

232332312221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

Adding to 232332312221 its reverse (122213233232), we get a palindrome (354545545453).

The spelling of 232332312221 in words is "two hundred thirty-two billion, three hundred thirty-two million, three hundred twelve thousand, two hundred twenty-one".