2270891227 has 16 divisors (see below), whose sum is σ = 2516861952. Its totient is φ = 2031635520.

The previous prime is 2270891219. The next prime is 2270891237. The reversal of 2270891227 is 7221980722.

It is a cyclic number.

It is not a de Polignac number, because 2270891227 - 2³ = 2270891219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2270891227.

It is not an unprimeable number, because it can be changed into a prime (2270891237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388158 + ... + 393964.

It is an arithmetic number, because the mean of its divisors is an integer number (157303872).

Almost surely, 2^2270891227 is an apocalyptic number.

2270891227 is a deficient number, since it is larger than the sum of its proper divisors (245970725).

2270891227 is a wasteful number, since it uses less digits than its factorization.

2270891227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2270891227 is about 47653.8689615020. The cubic root of 2270891227 is about 1314.4138022505.

The spelling of 2270891227 in words is "two billion, two hundred seventy million, eight hundred ninety-one thousand, two hundred twenty-seven".