228616 has 24 divisors (see below), whose sum is σ = 465210. Its totient is φ = 104960.

The previous prime is 228611. The next prime is 228617. The reversal of 228616 is 616822.

228616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 108900 + 119716 = 330^2 + 346^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228611) by changing a digit.

228616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5556 + ... + 5596.

2²²⁸⁶¹⁶ is an apocalyptic number.

It is an amenable number.

228616 is an abundant number, since it is smaller than the sum of its proper divisors (236594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228616 is a wasteful number, since it uses less digits than its factorization.

228616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 60 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 228616 is about 478.1380553773. The cubic root of 228616 is about 61.1461157275.

The spelling of 228616 in words is "two hundred twenty-eight thousand, six hundred sixteen".