6378217228 has 6 divisors (see below), whose sum is σ = 11161880156. Its totient is φ = 3189108612.

The previous prime is 6378217201. The next prime is 6378217229. The reversal of 6378217228 is 8227128736.

It is not an unprimeable number, because it can be changed into a prime (6378217229) 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 as a sum of consecutive naturals, namely, 797277150 + ... + 797277157.

Almost surely, 2^6378217228 is an apocalyptic number.

It is an amenable number.

6378217228 is a deficient number, since it is larger than the sum of its proper divisors (4783662928).

6378217228 is a wasteful number, since it uses less digits than its factorization.

6378217228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594554311 (or 1594554309 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 6378217228 is about 79863.7416353629. The cubic root of 6378217228 is about 1854.5267501920.

The spelling of 6378217228 in words is "six billion, three hundred seventy-eight million, two hundred seventeen thousand, two hundred twenty-eight".