229988439 has 12 divisors (see below), whose sum is σ = 332495176. Its totient is φ = 153191952.

The previous prime is 229988401. The next prime is 229988509. The reversal of 229988439 is 934889922.

It is a happy number.

It is not a de Polignac number, because 229988439 - 2¹¹ = 229986391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229988839) 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, 384 + ... + 21450.

Almost surely, 2^229988439 is an apocalyptic number.

229988439 is a deficient number, since it is larger than the sum of its proper divisors (102506737).

229988439 is a wasteful number, since it uses less digits than its factorization.

229988439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22286 (or 22283 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 229988439 is about 15165.3697284306. The cubic root of 229988439 is about 612.6823016425.

The spelling of 229988439 in words is "two hundred twenty-nine million, nine hundred eighty-eight thousand, four hundred thirty-nine".