228056 has 16 divisors (see below), whose sum is σ = 442800. Its totient is φ = 109984.

The previous prime is 228049. The next prime is 228061. The reversal of 228056 is 650822.

It is a happy number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

228056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (27675).

2²²⁸⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

228056 is a deficient number, since it is larger than the sum of its proper divisors (214744).

228056 is a wasteful number, since it uses less digits than its factorization.

228056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 228056 is about 477.5520913995. The cubic root of 228056 is about 61.0961486479.

Adding to 228056 its reverse (650822), we get a palindrome (878878).

The spelling of 228056 in words is "two hundred twenty-eight thousand, fifty-six".