6396855226 has 16 divisors (see below), whose sum is σ = 9629020800. Its totient is φ = 3187201248.

The previous prime is 6396855221. The next prime is 6396855271. The reversal of 6396855226 is 6225586936.

It is a happy number.

It is a super-2 number, since 2×6396855226² = 81839513564807022152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6396855221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744865 + ... + 753403.

It is an arithmetic number, because the mean of its divisors is an integer number (601813800).

Almost surely, 2^6396855226 is an apocalyptic number.

6396855226 is a deficient number, since it is larger than the sum of its proper divisors (3232165574).

6396855226 is a wasteful number, since it uses less digits than its factorization.

6396855226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9813.

The product of its digits is 4665600, while the sum is 52.

The square root of 6396855226 is about 79980.3427474526. The cubic root of 6396855226 is about 1856.3313847088.

The spelling of 6396855226 in words is "six billion, three hundred ninety-six million, eight hundred fifty-five thousand, two hundred twenty-six".