4228256 has 24 divisors (see below), whose sum is σ = 8375220. Its totient is φ = 2101248.

The previous prime is 4228247. The next prime is 4228267. The reversal of 4228256 is 6528224.

It can be written as a sum of positive squares in 2 ways, for example, as 2835856 + 1392400 = 1684^2 + 1180^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7040 + ... + 7616.

Almost surely, 2^4228256 is an apocalyptic number.

It is an amenable number.

4228256 is a deficient number, since it is larger than the sum of its proper divisors (4146964).

4228256 is a wasteful number, since it uses less digits than its factorization.

4228256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 808 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 4228256 is about 2056.2723555016. The cubic root of 4228256 is about 161.7038740072.

Subtracting 4228256 from its reverse (6528224), we obtain a cube (2299968 = 132³).

The spelling of 4228256 in words is "four million, two hundred twenty-eight thousand, two hundred fifty-six".