8226080644 has 6 divisors (see below), whose sum is σ = 14395641134. Its totient is φ = 4113040320.

The previous prime is 8226080593. The next prime is 8226080659. The reversal of 8226080644 is 4460806228.

It can be written as a sum of positive squares in only one way, i.e., 4852794244 + 3373286400 = 69662^2 + 58080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8226080597 and 8226080606.

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, 1028260077 + ... + 1028260084.

Almost surely, 2^8226080644 is an apocalyptic number.

It is an amenable number.

8226080644 is a deficient number, since it is larger than the sum of its proper divisors (6169560490).

8226080644 is a wasteful number, since it uses less digits than its factorization.

8226080644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056520165 (or 2056520163 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 8226080644 is about 90697.7433236351. The cubic root of 8226080644 is about 2018.6653147720.

The spelling of 8226080644 in words is "eight billion, two hundred twenty-six million, eighty thousand, six hundred forty-four".