6665228 has 6 divisors (see below), whose sum is σ = 11664156. Its totient is φ = 3332612.

The previous prime is 6665213. The next prime is 6665231. The reversal of 6665228 is 8225666.

6665228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833150 + ... + 833157.

It is an arithmetic number, because the mean of its divisors is an integer number (1944026).

Almost surely, 2^6665228 is an apocalyptic number.

It is an amenable number.

6665228 is a deficient number, since it is larger than the sum of its proper divisors (4998928).

6665228 is a wasteful number, since it uses less digits than its factorization.

6665228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666311 (or 1666309 counting only the distinct ones).

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

The square root of 6665228 is about 2581.7102858377. The cubic root of 6665228 is about 188.1936664306.

The spelling of 6665228 in words is "six million, six hundred sixty-five thousand, two hundred twenty-eight".