8256811226 has 16 divisors (see below), whose sum is σ = 13132293480. Its totient is φ = 3880066560.

The previous prime is 8256811207. The next prime is 8256811229. The reversal of 8256811226 is 6221186528.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6555331225 + 1701480001 = 80965^2 + 41249^2 .

It is not an unprimeable number, because it can be changed into a prime (8256811229) 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, 147155 + ... + 195366.

Almost surely, 2^8256811226 is an apocalyptic number.

8256811226 is a deficient number, since it is larger than the sum of its proper divisors (4875482254).

8256811226 is a wasteful number, since it uses less digits than its factorization.

8256811226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343249.

The product of its digits is 92160, while the sum is 41.

The square root of 8256811226 is about 90866.9974523204. The cubic root of 8256811226 is about 2021.1759340979.

The spelling of 8256811226 in words is "eight billion, two hundred fifty-six million, eight hundred eleven thousand, two hundred twenty-six".