229815 has 12 divisors (see below), whose sum is σ = 398424. Its totient is φ = 122544.

The previous prime is 229813. The next prime is 229819. The reversal of 229815 is 518922.

It is not a de Polignac number, because 229815 - 2¹ = 229813 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 229815.

It is not an unprimeable number, because it can be changed into a prime (229813) 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, 2509 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (33202).

2²²⁹⁸¹⁵ is an apocalyptic number.

229815 is a deficient number, since it is larger than the sum of its proper divisors (168609).

229815 is a wasteful number, since it uses less digits than its factorization.

229815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118 (or 5115 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 229815 is about 479.3902376978. The cubic root of 229815 is about 61.2528250814.

The spelling of 229815 in words is "two hundred twenty-nine thousand, eight hundred fifteen".