228508259 has 8 divisors (see below), whose sum is σ = 261435648. Its totient is φ = 195651720.

The previous prime is 228508229. The next prime is 228508277. The reversal of 228508259 is 952805822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228508259 is a prime.

It is a super-2 number, since 2×228508259² = 104432048862422162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228508229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10607 + ... + 23864.

It is an arithmetic number, because the mean of its divisors is an integer number (32679456).

Almost surely, 2^228508259 is an apocalyptic number.

228508259 is a deficient number, since it is larger than the sum of its proper divisors (32927389).

228508259 is an equidigital number, since it uses as much as digits as its factorization.

228508259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35425.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 228508259 is about 15116.4896388017. The cubic root of 228508259 is about 611.3650867340.

The spelling of 228508259 in words is "two hundred twenty-eight million, five hundred eight thousand, two hundred fifty-nine".