229047911 has 2 divisors, whose sum is σ = 229047912. Its totient is φ = 229047910.

The previous prime is 229047859. The next prime is 229047947. The reversal of 229047911 is 119740922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229047911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229047211) 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, 114523955 + 114523956.

It is an arithmetic number, because the mean of its divisors is an integer number (114523956).

Almost surely, 2^229047911 is an apocalyptic number.

229047911 is a deficient number, since it is larger than the sum of its proper divisors (1).

229047911 is an equidigital number, since it uses as much as digits as its factorization.

229047911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 229047911 is about 15134.3288916291. The cubic root of 229047911 is about 611.8459811134.

The spelling of 229047911 in words is "two hundred twenty-nine million, forty-seven thousand, nine hundred eleven".