229546439 has 2 divisors, whose sum is σ = 229546440. Its totient is φ = 229546438.

The previous prime is 229546423. The next prime is 229546441. The reversal of 229546439 is 934645922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229546439 - 2⁴ = 229546423 is a prime.

Together with 229546441, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229546439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229546139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114773219 + 114773220.

It is an arithmetic number, because the mean of its divisors is an integer number (114773220).

Almost surely, 2^229546439 is an apocalyptic number.

229546439 is a deficient number, since it is larger than the sum of its proper divisors (1).

229546439 is an equidigital number, since it uses as much as digits as its factorization.

229546439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 44.

The square root of 229546439 is about 15150.7900454069. The cubic root of 229546439 is about 612.2895583590.

The spelling of 229546439 in words is "two hundred twenty-nine million, five hundred forty-six thousand, four hundred thirty-nine".