8220470659 has 2 divisors, whose sum is σ = 8220470660. Its totient is φ = 8220470658.

The previous prime is 8220470647. The next prime is 8220470681. The reversal of 8220470659 is 9560740228.

8220470659 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8220470659 - 2⁵ = 8220470627 is a prime.

It is a super-2 number, since 2×8220470659² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8220470639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4110235329 + 4110235330.

It is an arithmetic number, because the mean of its divisors is an integer number (4110235330).

Almost surely, 2^8220470659 is an apocalyptic number.

8220470659 is a deficient number, since it is larger than the sum of its proper divisors (1).

8220470659 is an equidigital number, since it uses as much as digits as its factorization.

8220470659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 8220470659 is about 90666.8112321151. The cubic root of 8220470659 is about 2018.2063170229.

The spelling of 8220470659 in words is "eight billion, two hundred twenty million, four hundred seventy thousand, six hundred fifty-nine".