2275642771 has 2 divisors, whose sum is σ = 2275642772. Its totient is φ = 2275642770.

The previous prime is 2275642717. The next prime is 2275642777. The reversal of 2275642771 is 1772465722.

2275642771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (2275642717) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2275642771 - 2⁷ = 2275642643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2275642777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137821385 + 1137821386.

It is an arithmetic number, because the mean of its divisors is an integer number (1137821386).

Almost surely, 2^2275642771 is an apocalyptic number.

2275642771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275642771 is an equidigital number, since it uses as much as digits as its factorization.

2275642771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 43.

The square root of 2275642771 is about 47703.6976659043. The cubic root of 2275642771 is about 1315.3299101404.

The spelling of 2275642771 in words is "two billion, two hundred seventy-five million, six hundred forty-two thousand, seven hundred seventy-one".