8218280266 has 16 divisors (see below), whose sum is σ = 14319440640. Its totient is φ = 3464380080.

The previous prime is 8218280261. The next prime is 8218280321. The reversal of 8218280266 is 6620828128.

It is not an unprimeable number, because it can be changed into a prime (8218280261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4810786 + ... + 4812493.

It is an arithmetic number, because the mean of its divisors is an integer number (894965040).

Almost surely, 2^8218280266 is an apocalyptic number.

8218280266 is a deficient number, since it is larger than the sum of its proper divisors (6101160374).

8218280266 is a wasteful number, since it uses less digits than its factorization.

8218280266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9623349.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 8218280266 is about 90654.7310734525. The cubic root of 8218280266 is about 2018.0270467651.

The spelling of 8218280266 in words is "eight billion, two hundred eighteen million, two hundred eighty thousand, two hundred sixty-six".