2271151 has 2 divisors, whose sum is σ = 2271152. Its totient is φ = 2271150.

The previous prime is 2271133. The next prime is 2271161. The reversal of 2271151 is 1511722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2271151 - 2⁵ = 2271119 is a prime.

2271151 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135575 + 1135576.

It is an arithmetic number, because the mean of its divisors is an integer number (1135576).

2^2271151 is an apocalyptic number.

2271151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271151 is an equidigital number, since it uses as much as digits as its factorization.

2271151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 140, while the sum is 19.

The square root of 2271151 is about 1507.0338416904. The cubic root of 2271151 is about 131.4463920048.

Adding to 2271151 its reverse (1511722), we get a palindrome (3782873).

It can be divided in two parts, 227 and 1151, that added together give a triangular number (1378 = T₅₂).

The spelling of 2271151 in words is "two million, two hundred seventy-one thousand, one hundred fifty-one".