228699 has 6 divisors (see below), whose sum is σ = 330356. Its totient is φ = 152460.

The previous prime is 228677. The next prime is 228707. The reversal of 228699 is 996822.

It is not a de Polignac number, because 228699 - 2⁸ = 228443 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228699.

It is not an unprimeable number, because it can be changed into a prime (228619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12697 + ... + 12714.

2²²⁸⁶⁹⁹ is an apocalyptic number.

228699 is a deficient number, since it is larger than the sum of its proper divisors (101657).

228699 is a wasteful number, since it uses less digits than its factorization.

228699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25417 (or 25414 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 228699 is about 478.2248425166. The cubic root of 228699 is about 61.1535146170.

The spelling of 228699 in words is "two hundred twenty-eight thousand, six hundred ninety-nine".