6378226 has 8 divisors (see below), whose sum is σ = 9605340. Its totient is φ = 3176448.

The previous prime is 6378217. The next prime is 6378241. The reversal of 6378226 is 6228736.

It can be written as a sum of positive squares in 2 ways, for example, as 6375625 + 2601 = 2525^2 + 51^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6378191 and 6378200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5691 + ... + 6718.

Almost surely, 2^6378226 is an apocalyptic number.

6378226 is a deficient number, since it is larger than the sum of its proper divisors (3227114).

6378226 is a wasteful number, since it uses less digits than its factorization.

6378226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668.

The product of its digits is 24192, while the sum is 34.

The square root of 6378226 is about 2525.5149969858. The cubic root of 6378226 is about 185.4527600372.

The spelling of 6378226 in words is "six million, three hundred seventy-eight thousand, two hundred twenty-six".