6724228 has 12 divisors (see below), whose sum is σ = 13448512. Its totient is φ = 2881800.

The previous prime is 6724219. The next prime is 6724229. The reversal of 6724228 is 8224276.

6724228 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 6724228.

It is not an unprimeable number, because it can be changed into a prime (6724229) 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, 120048 + ... + 120103.

Almost surely, 2^6724228 is an apocalyptic number.

It is an amenable number.

6724228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6724228 is a wasteful number, since it uses less digits than its factorization.

6724228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240162 (or 240160 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 6724228 is about 2593.1116443377. Note that the first 3 decimals coincide. The cubic root of 6724228 is about 188.7473271262.

It can be divided in two parts, 672 and 4228, that added together give a square (4900 = 70²).

The spelling of 6724228 in words is "six million, seven hundred twenty-four thousand, two hundred twenty-eight".