229866939 has 12 divisors (see below), whose sum is σ = 335077600. Its totient is φ = 151838064.

The previous prime is 229866929. The next prime is 229866943. The reversal of 229866939 is 939668922.

It is not a de Polignac number, because 229866939 - 2⁷ = 229866811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229866929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116179 + ... + 118140.

Almost surely, 2^229866939 is an apocalyptic number.

229866939 is a deficient number, since it is larger than the sum of its proper divisors (105210661).

229866939 is a wasteful number, since it uses less digits than its factorization.

229866939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234434 (or 234431 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 229866939 is about 15161.3633621782. The cubic root of 229866939 is about 612.5743918528.

The spelling of 229866939 in words is "two hundred twenty-nine million, eight hundred sixty-six thousand, nine hundred thirty-nine".