228599 has 12 divisors (see below), whose sum is σ = 279984. Its totient is φ = 182784.

The previous prime is 228593. The next prime is 228601. The reversal of 228599 is 995822.

228599 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 228599 - 2¹⁶ = 163063 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228593) 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, 1967 + ... + 2079.

It is an arithmetic number, because the mean of its divisors is an integer number (23332).

2²²⁸⁵⁹⁹ is an apocalyptic number.

228599 is a deficient number, since it is larger than the sum of its proper divisors (51385).

228599 is a wasteful number, since it uses less digits than its factorization.

With its successor (228600) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (137).

228599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 137 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 228599 is about 478.1202777545. The cubic root of 228599 is about 61.1446000713.

The spelling of 228599 in words is "two hundred twenty-eight thousand, five hundred ninety-nine".