229392239 has 2 divisors, whose sum is σ = 229392240. Its totient is φ = 229392238.

The previous prime is 229392209. The next prime is 229392257. The reversal of 229392239 is 932293922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229392239 - 2¹² = 229388143 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 229392196 and 229392205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229392209) 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, 114696119 + 114696120.

It is an arithmetic number, because the mean of its divisors is an integer number (114696120).

Almost surely, 2^229392239 is an apocalyptic number.

229392239 is a deficient number, since it is larger than the sum of its proper divisors (1).

229392239 is an equidigital number, since it uses as much as digits as its factorization.

229392239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 41.

The square root of 229392239 is about 15145.7003469632. The cubic root of 229392239 is about 612.1524238724.

The spelling of 229392239 in words is "two hundred twenty-nine million, three hundred ninety-two thousand, two hundred thirty-nine".