6668225 has 12 divisors (see below), whose sum is σ = 8462256. Its totient is φ = 5209680.

The previous prime is 6668213. The next prime is 6668237. The reversal of 6668225 is 5228666.

6668225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6668213) and next prime (6668237).

It is not a de Polignac number, because 6668225 - 2⁴ = 6668209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2027 + ... + 4176.

It is an arithmetic number, because the mean of its divisors is an integer number (705188).

Almost surely, 2^6668225 is an apocalyptic number.

It is an amenable number.

6668225 is a deficient number, since it is larger than the sum of its proper divisors (1794031).

6668225 is a wasteful number, since it uses less digits than its factorization.

6668225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256 (or 6251 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 6668225 is about 2582.2906497914. The cubic root of 6668225 is about 188.2218691119.

The spelling of 6668225 in words is "six million, six hundred sixty-eight thousand, two hundred twenty-five".