2271079397 has 2 divisors, whose sum is σ = 2271079398. Its totient is φ = 2271079396.

The previous prime is 2271079381. The next prime is 2271079399. The reversal of 2271079397 is 7939701722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1845647521 + 425431876 = 42961^2 + 20626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271079397 - 2⁴ = 2271079381 is a prime.

Together with 2271079399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271079399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135539698 + 1135539699.

It is an arithmetic number, because the mean of its divisors is an integer number (1135539699).

Almost surely, 2^2271079397 is an apocalyptic number.

It is an amenable number.

2271079397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271079397 is an equidigital number, since it uses as much as digits as its factorization.

2271079397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 333396, while the sum is 47.

The square root of 2271079397 is about 47655.8432618708. The cubic root of 2271079397 is about 1314.4501061196.

The spelling of 2271079397 in words is "two billion, two hundred seventy-one million, seventy-nine thousand, three hundred ninety-seven".