228036 has 24 divisors (see below), whose sum is σ = 550144. Its totient is φ = 73440.

The previous prime is 228023. The next prime is 228049. The reversal of 228036 is 630822.

228036 is digitally balanced in base 3, 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 (228023) and next prime (228049).

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

228036 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 7 ways as a sum of consecutive naturals, for example, 66 + ... + 678.

2²²⁸⁰³⁶ is an apocalyptic number.

It is an amenable number.

228036 is an abundant number, since it is smaller than the sum of its proper divisors (322108).

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

228036 is a wasteful number, since it uses less digits than its factorization.

228036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 228036 is about 477.5311508164. The cubic root of 228036 is about 61.0943625972.

Adding to 228036 its reverse (630822), we get a palindrome (858858).

The spelling of 228036 in words is "two hundred twenty-eight thousand, thirty-six".