232220591 has 2 divisors, whose sum is σ = 232220592. Its totient is φ = 232220590.

The previous prime is 232220587. The next prime is 232220609. The reversal of 232220591 is 195022232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232220591 - 2² = 232220587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232220591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232220531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116110295 + 116110296.

It is an arithmetic number, because the mean of its divisors is an integer number (116110296).

Almost surely, 2^232220591 is an apocalyptic number.

232220591 is a deficient number, since it is larger than the sum of its proper divisors (1).

232220591 is an equidigital number, since it uses as much as digits as its factorization.

232220591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 232220591 is about 15238.7857455901. The cubic root of 232220591 is about 614.6580521358.

The spelling of 232220591 in words is "two hundred thirty-two million, two hundred twenty thousand, five hundred ninety-one".