229682879 has 2 divisors, whose sum is σ = 229682880. Its totient is φ = 229682878.

The previous prime is 229682839. The next prime is 229682911. The reversal of 229682879 is 978286922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229682879 - 2²⁰ = 228634303 is a prime.

It is a Sophie Germain prime.

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 229682879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229682809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114841439 + 114841440.

It is an arithmetic number, because the mean of its divisors is an integer number (114841440).

Almost surely, 2^229682879 is an apocalyptic number.

229682879 is a deficient number, since it is larger than the sum of its proper divisors (1).

229682879 is an equidigital number, since it uses as much as digits as its factorization.

229682879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 53.

The square root of 229682879 is about 15155.2921119984. The cubic root of 229682879 is about 612.4108471655.

The spelling of 229682879 in words is "two hundred twenty-nine million, six hundred eighty-two thousand, eight hundred seventy-nine".