2271271 has 2 divisors, whose sum is σ = 2271272. Its totient is φ = 2271270.

The previous prime is 2271263. The next prime is 2271281. The reversal of 2271271 is 1721722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2271271 - 2³ = 2271263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135635 + 1135636.

It is an arithmetic number, because the mean of its divisors is an integer number (1135636).

2^2271271 is an apocalyptic number.

2271271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271271 is an equidigital number, since it uses as much as digits as its factorization.

2271271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 392, while the sum is 22.

The square root of 2271271 is about 1507.0736544708. The cubic root of 2271271 is about 131.4487070261.

Adding to 2271271 its reverse (1721722), we get a palindrome (3992993).

The spelling of 2271271 in words is "two million, two hundred seventy-one thousand, two hundred seventy-one".