2271105 has 16 divisors (see below), whose sum is σ = 4037760. Its totient is φ = 1211184.

The previous prime is 2271083. The next prime is 2271107. The reversal of 2271105 is 5011722.

It is not a de Polignac number, because 2271105 - 2⁶ = 2271041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2271107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8277 + ... + 8546.

It is an arithmetic number, because the mean of its divisors is an integer number (252360).

2^2271105 is an apocalyptic number.

It is an amenable number.

2271105 is a deficient number, since it is larger than the sum of its proper divisors (1766655).

2271105 is a wasteful number, since it uses less digits than its factorization.

2271105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16837 (or 16831 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2271105 is about 1507.0185798457. The cubic root of 2271105 is about 131.4455045583.

Adding to 2271105 its reverse (5011722), we get a palindrome (7282827).

The spelling of 2271105 in words is "two million, two hundred seventy-one thousand, one hundred five".