229979 has 2 divisors, whose sum is σ = 229980. Its totient is φ = 229978.

The previous prime is 229963. The next prime is 229981. The reversal of 229979 is 979922.

229979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229979 - 2⁴ = 229963 is a prime.

Together with 229981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114989 + 114990.

It is an arithmetic number, because the mean of its divisors is an integer number (114990).

2²²⁹⁹⁷⁹ is an apocalyptic number.

229979 is a deficient number, since it is larger than the sum of its proper divisors (1).

229979 is an equidigital number, since it uses as much as digits as its factorization.

229979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 38.

The square root of 229979 is about 479.5612578180. The cubic root of 229979 is about 61.2673919790.

It can be divided in two parts, 22 and 9979, that added together give a palindrome (10001).

The spelling of 229979 in words is "two hundred twenty-nine thousand, nine hundred seventy-nine".