232220477 has 2 divisors, whose sum is σ = 232220478. Its totient is φ = 232220476.

The previous prime is 232220453. The next prime is 232220479. The reversal of 232220477 is 774022232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214739716 + 17480761 = 14654^2 + 4181^2 .

It is a cyclic number.

It is not a de Polignac number, because 232220477 - 2²⁶ = 165111613 is a prime.

Together with 232220479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232220479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116110238 + 116110239.

It is an arithmetic number, because the mean of its divisors is an integer number (116110239).

Almost surely, 2^232220477 is an apocalyptic number.

It is an amenable number.

232220477 is a deficient number, since it is larger than the sum of its proper divisors (1).

232220477 is an equidigital number, since it uses as much as digits as its factorization.

232220477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 232220477 is about 15238.7820051341. The cubic root of 232220477 is about 614.6579515547.

The spelling of 232220477 in words is "two hundred thirty-two million, two hundred twenty thousand, four hundred seventy-seven".