6828225 has 24 divisors (see below), whose sum is σ = 11374272. Its totient is φ = 3614400.

The previous prime is 6828197. The next prime is 6828259. The reversal of 6828225 is 5228286.

6828225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6828225 - 2⁵ = 6828193 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13324 + ... + 13826.

It is an arithmetic number, because the mean of its divisors is an integer number (473928).

Almost surely, 2^6828225 is an apocalyptic number.

6828225 is the 1509-th octagonal number.

It is an amenable number.

6828225 is a deficient number, since it is larger than the sum of its proper divisors (4546047).

6828225 is a wasteful number, since it uses less digits than its factorization.

6828225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 692 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 6828225 is about 2613.0872545707. The cubic root of 6828225 is about 189.7154095824.

The spelling of 6828225 in words is "six million, eight hundred twenty-eight thousand, two hundred twenty-five".