232010221 has 2 divisors, whose sum is σ = 232010222. Its totient is φ = 232010220.

The previous prime is 232010171. The next prime is 232010227. The reversal of 232010221 is 122010232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128255625 + 103754596 = 11325^2 + 10186^2 .

It is a cyclic number.

It is not a de Polignac number, because 232010221 - 2⁹ = 232009709 is a prime.

It is a super-3 number, since 3×232010221³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232010227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116005110 + 116005111.

It is an arithmetic number, because the mean of its divisors is an integer number (116005111).

Almost surely, 2^232010221 is an apocalyptic number.

It is an amenable number.

232010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

232010221 is an equidigital number, since it uses as much as digits as its factorization.

232010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 232010221 is about 15231.8817287950. The cubic root of 232010221 is about 614.4723886111.

Adding to 232010221 its reverse (122010232), we get a palindrome (354020453).

The spelling of 232010221 in words is "two hundred thirty-two million, ten thousand, two hundred twenty-one".