228223117 has 12 divisors (see below), whose sum is σ = 246010176. Its totient is φ = 211595400.

The previous prime is 228223111. The next prime is 228223123. The reversal of 228223117 is 711322822.

228223117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228223111) and next prime (228223123).

It is not a de Polignac number, because 228223117 - 2²³ = 219834509 is a prime.

It is a super-2 number, since 2×228223117² = 104171582266391378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228223111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10242 + ... + 23692.

It is an arithmetic number, because the mean of its divisors is an integer number (20500848).

Almost surely, 2^228223117 is an apocalyptic number.

It is an amenable number.

228223117 is a deficient number, since it is larger than the sum of its proper divisors (17787059).

228223117 is a wasteful number, since it uses less digits than its factorization.

228223117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536 (or 13517 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 228223117 is about 15107.0552060949. The cubic root of 228223117 is about 611.1106853906.

Adding to 228223117 its reverse (711322822), we get a palindrome (939545939).

The spelling of 228223117 in words is "two hundred twenty-eight million, two hundred twenty-three thousand, one hundred seventeen".