228659117 has 4 divisors (see below), whose sum is σ = 229981020. Its totient is φ = 227337216.

The previous prime is 228659111. The next prime is 228659201. The reversal of 228659117 is 711956822.

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

It can be written as a sum of positive squares in 2 ways, for example, as 114297481 + 114361636 = 10691^2 + 10694^2 .

It is a cyclic number.

It is not a de Polignac number, because 228659117 - 2¹⁰ = 228658093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228659111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660692 + ... + 661037.

It is an arithmetic number, because the mean of its divisors is an integer number (57495255).

Almost surely, 2^228659117 is an apocalyptic number.

It is an amenable number.

228659117 is a deficient number, since it is larger than the sum of its proper divisors (1321903).

228659117 is a wasteful number, since it uses less digits than its factorization.

228659117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321902.

The product of its digits is 60480, while the sum is 41.

The square root of 228659117 is about 15121.4786644693. The cubic root of 228659117 is about 611.4995954033.

The spelling of 228659117 in words is "two hundred twenty-eight million, six hundred fifty-nine thousand, one hundred seventeen".