229239089 has 2 divisors, whose sum is σ = 229239090. Its totient is φ = 229239088.

The previous prime is 229239083. The next prime is 229239107. The reversal of 229239089 is 980932922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164275489 + 64963600 = 12817^2 + 8060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229239089 is a prime.

It is not a weakly prime, because it can be changed into another prime (229239083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114619544 + 114619545.

It is an arithmetic number, because the mean of its divisors is an integer number (114619545).

Almost surely, 2^229239089 is an apocalyptic number.

It is an amenable number.

229239089 is a deficient number, since it is larger than the sum of its proper divisors (1).

229239089 is an equidigital number, since it uses as much as digits as its factorization.

229239089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 229239089 is about 15140.6436124757. The cubic root of 229239089 is about 612.0161623382.

The spelling of 229239089 in words is "two hundred twenty-nine million, two hundred thirty-nine thousand, eighty-nine".