228056443 has 4 divisors (see below), whose sum is σ = 228278248. Its totient is φ = 227834640.

The previous prime is 228056407. The next prime is 228056447. The reversal of 228056443 is 344650822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228056443 - 2¹⁷ = 227925371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228056399 and 228056408.

It is not an unprimeable number, because it can be changed into a prime (228056447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109353 + ... + 111418.

It is an arithmetic number, because the mean of its divisors is an integer number (57069562).

Almost surely, 2^228056443 is an apocalyptic number.

228056443 is a deficient number, since it is larger than the sum of its proper divisors (221805).

228056443 is a wasteful number, since it uses less digits than its factorization.

228056443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221804.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 228056443 is about 15101.5377693796. The cubic root of 228056443 is about 610.9618820771.

The spelling of 228056443 in words is "two hundred twenty-eight million, fifty-six thousand, four hundred forty-three".