2220166579 has 2 divisors, whose sum is σ = 2220166580. Its totient is φ = 2220166578.

The previous prime is 2220166577. The next prime is 2220166607. The reversal of 2220166579 is 9756610222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220166579 - 2¹ = 2220166577 is a prime.

Together with 2220166577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2220166573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110083289 + 1110083290.

It is an arithmetic number, because the mean of its divisors is an integer number (1110083290).

Almost surely, 2^2220166579 is an apocalyptic number.

2220166579 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220166579 is an equidigital number, since it uses as much as digits as its factorization.

2220166579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2220166579 is about 47118.6436455890. The cubic root of 2220166579 is about 1304.5533776972.

The spelling of 2220166579 in words is "two billion, two hundred twenty million, one hundred sixty-six thousand, five hundred seventy-nine".