6228215872 has 14 divisors (see below), whose sum is σ = 12359115998. Its totient is φ = 3114107904.

The previous prime is 6228215849. The next prime is 6228215881. The reversal of 6228215872 is 2785128226.

It can be written as a sum of positive squares in only one way, i.e., 4724637696 + 1503578176 = 68736^2 + 38776^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48657873 + ... + 48658000.

Almost surely, 2^6228215872 is an apocalyptic number.

It is an amenable number.

6228215872 is a deficient number, since it is larger than the sum of its proper divisors (6130900126).

6228215872 is an equidigital number, since it uses as much as digits as its factorization.

6228215872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97315885 (or 97315875 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 6228215872 is about 78919.0463196306. The cubic root of 6228215872 is about 1839.8731670609.

The spelling of 6228215872 in words is "six billion, two hundred twenty-eight million, two hundred fifteen thousand, eight hundred seventy-two".