228546 has 12 divisors (see below), whose sum is σ = 495222. Its totient is φ = 76176.

The previous prime is 228539. The next prime is 228559. The reversal of 228546 is 645822.

It can be written as a sum of positive squares in only one way, i.e., 216225 + 12321 = 465^2 + 111^2 .

It is an Ulam number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6331 + ... + 6366.

228546 is a Friedman number, since it can be written as 58+26^4/2, using all its digits and the basic arithmetic operations.

2²²⁸⁵⁴⁶ is an apocalyptic number.

228546 is an abundant number, since it is smaller than the sum of its proper divisors (266676).

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

228546 is a wasteful number, since it uses less digits than its factorization.

228546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12705 (or 12702 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 228546 is about 478.0648491575. The cubic root of 228546 is about 61.1398743081.

The spelling of 228546 in words is "two hundred twenty-eight thousand, five hundred forty-six".