228759 has 4 divisors (see below), whose sum is σ = 305016. Its totient is φ = 152504.

The previous prime is 228757. The next prime is 228773. The reversal of 228759 is 957822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228759 - 2¹ = 228757 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁵ + 7⁶ + 8 + 5⁷ + 9² .

It is a D-number.

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 228759.

It is not an unprimeable number, because it can be changed into a prime (228751) 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 3 ways as a sum of consecutive naturals, for example, 38124 + ... + 38129.

It is an arithmetic number, because the mean of its divisors is an integer number (76254).

2²²⁸⁷⁵⁹ is an apocalyptic number.

228759 is a deficient number, since it is larger than the sum of its proper divisors (76257).

228759 is an equidigital number, since it uses as much as digits as its factorization.

228759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76256.

The product of its digits is 10080, while the sum is 33.

The square root of 228759 is about 478.2875704009. The cubic root of 228759 is about 61.1588620971.

It can be divided in two parts, 2287 and 59, that added together give a triangular number (2346 = T₆₈).

The spelling of 228759 in words is "two hundred twenty-eight thousand, seven hundred fifty-nine".