228544 has 14 divisors (see below), whose sum is σ = 453644. Its totient is φ = 114240.

The previous prime is 228539. The next prime is 228559. The reversal of 228544 is 445822.

It is a happy number.

228544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 as a sum of consecutive naturals, namely, 1722 + ... + 1849.

2²²⁸⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

228544 is a deficient number, since it is larger than the sum of its proper divisors (225100).

228544 is an equidigital number, since it uses as much as digits as its factorization.

228544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583 (or 3573 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 228544 is about 478.0627573865. The cubic root of 228544 is about 61.1396959631.

The spelling of 228544 in words is "two hundred twenty-eight thousand, five hundred forty-four".