229909117 has 2 divisors, whose sum is σ = 229909118. Its totient is φ = 229909116.

The previous prime is 229909111. The next prime is 229909133. The reversal of 229909117 is 711909922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209351961 + 20557156 = 14469^2 + 4534^2 .

It is a cyclic number.

It is not a de Polignac number, because 229909117 - 2¹⁹ = 229384829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229909117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229909111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114954558 + 114954559.

It is an arithmetic number, because the mean of its divisors is an integer number (114954559).

Almost surely, 2^229909117 is an apocalyptic number.

It is an amenable number.

229909117 is a deficient number, since it is larger than the sum of its proper divisors (1).

229909117 is an equidigital number, since it uses as much as digits as its factorization.

229909117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 229909117 is about 15162.7542682720. The cubic root of 229909117 is about 612.6118564003.

The spelling of 229909117 in words is "two hundred twenty-nine million, nine hundred nine thousand, one hundred seventeen".