6633217228 has 36 divisors (see below), whose sum is σ = 12768019992. Its totient is φ = 2990237440.

The previous prime is 6633217223. The next prime is 6633217231. The reversal of 6633217228 is 8227123366.

It is not an unprimeable number, because it can be changed into a prime (6633217223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6322848 + ... + 6323896.

It is an arithmetic number, because the mean of its divisors is an integer number (354667222).

Almost surely, 2^6633217228 is an apocalyptic number.

It is an amenable number.

6633217228 is a deficient number, since it is larger than the sum of its proper divisors (6134802764).

6633217228 is a wasteful number, since it uses less digits than its factorization.

6633217228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 1199 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 6633217228 is about 81444.5653681079. The cubic root of 6633217228 is about 1878.9190658841.

The spelling of 6633217228 in words is "six billion, six hundred thirty-three million, two hundred seventeen thousand, two hundred twenty-eight".