2271235679 has 2 divisors, whose sum is σ = 2271235680. Its totient is φ = 2271235678.

The previous prime is 2271235663. The next prime is 2271235693. The reversal of 2271235679 is 9765321722.

It is a happy number.

2271235679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2271235679 - 2⁴ = 2271235663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271835679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135617839 + 1135617840.

It is an arithmetic number, because the mean of its divisors is an integer number (1135617840).

Almost surely, 2^2271235679 is an apocalyptic number.

2271235679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271235679 is an equidigital number, since it uses as much as digits as its factorization.

2271235679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 2271235679 is about 47657.4829276579. The cubic root of 2271235679 is about 1314.4802562735.

The spelling of 2271235679 in words is "two billion, two hundred seventy-one million, two hundred thirty-five thousand, six hundred seventy-nine".