6636228 has 24 divisors (see below), whose sum is σ = 15704640. Its totient is φ = 2180640.

The previous prime is 6636221. The next prime is 6636229. The reversal of 6636228 is 8226366.

It is not an unprimeable number, because it can be changed into a prime (6636221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3043 + ... + 4746.

It is an arithmetic number, because the mean of its divisors is an integer number (654360).

Almost surely, 2^6636228 is an apocalyptic number.

It is an amenable number.

6636228 is an abundant number, since it is smaller than the sum of its proper divisors (9068412).

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

6636228 is a wasteful number, since it uses less digits than its factorization.

6636228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867 (or 7865 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 6636228 is about 2576.0877314253. The cubic root of 6636228 is about 187.9203299062.

The spelling of 6636228 in words is "six million, six hundred thirty-six thousand, two hundred twenty-eight".