228599171 has 4 divisors (see below), whose sum is σ = 228841512. Its totient is φ = 228356832.

The previous prime is 228599087. The next prime is 228599179. The reversal of 228599171 is 171995822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171995822 = 2 ⋅85997911.

It is a cyclic number.

It is not a de Polignac number, because 228599171 - 2¹⁰ = 228598147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228599179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119750 + ... + 121643.

It is an arithmetic number, because the mean of its divisors is an integer number (57210378).

Almost surely, 2^228599171 is an apocalyptic number.

228599171 is a deficient number, since it is larger than the sum of its proper divisors (242341).

228599171 is an equidigital number, since it uses as much as digits as its factorization.

228599171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242340.

The product of its digits is 90720, while the sum is 44.

The square root of 228599171 is about 15119.4963871155. The cubic root of 228599171 is about 611.4461531744.

The spelling of 228599171 in words is "two hundred twenty-eight million, five hundred ninety-nine thousand, one hundred seventy-one".