7128182227 has 2 divisors, whose sum is σ = 7128182228. Its totient is φ = 7128182226.

The previous prime is 7128182221. The next prime is 7128182239. The reversal of 7128182227 is 7222818217.

7128182227 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 7128182227 - 2³ = 7128182219 is a prime.

It is a super-2 number, since 2×7128182227² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7128182227.

It is not a weakly prime, because it can be changed into another prime (7128182221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3564091113 + 3564091114.

It is an arithmetic number, because the mean of its divisors is an integer number (3564091114).

Almost surely, 2^7128182227 is an apocalyptic number.

7128182227 is a deficient number, since it is larger than the sum of its proper divisors (1).

7128182227 is an equidigital number, since it uses as much as digits as its factorization.

7128182227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 40.

The square root of 7128182227 is about 84428.5628623394. The cubic root of 7128182227 is about 1924.5369979520.

The spelling of 7128182227 in words is "seven billion, one hundred twenty-eight million, one hundred eighty-two thousand, two hundred twenty-seven".