228633117 has 16 divisors (see below), whose sum is σ = 308625408. Its totient is φ = 150539760.

The previous prime is 228633113. The next prime is 228633131. The reversal of 228633117 is 711336822.

It is not a de Polignac number, because 228633117 - 2² = 228633113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228633113) 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 15 ways as a sum of consecutive naturals, for example, 154692 + ... + 156162.

It is an arithmetic number, because the mean of its divisors is an integer number (19289088).

Almost surely, 2^228633117 is an apocalyptic number.

It is an amenable number.

228633117 is a deficient number, since it is larger than the sum of its proper divisors (79992291).

228633117 is a wasteful number, since it uses less digits than its factorization.

228633117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080.

The product of its digits is 12096, while the sum is 33.

The square root of 228633117 is about 15120.6189357447. The cubic root of 228633117 is about 611.4764173900.

Adding to 228633117 its reverse (711336822), we get a palindrome (939969939).

The spelling of 228633117 in words is "two hundred twenty-eight million, six hundred thirty-three thousand, one hundred seventeen".