2271115 has 32 divisors (see below), whose sum is σ = 3608064. Its totient is φ = 1328640.

The previous prime is 2271107. The next prime is 2271119. The reversal of 2271115 is 5111722.

2271115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2271115 - 2³ = 2271107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2271092 and 2271101.

It is not an unprimeable number, because it can be changed into a prime (2271119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6372 + ... + 6718.

It is an arithmetic number, because the mean of its divisors is an integer number (112752).

2^2271115 is an apocalyptic number.

2271115 is a deficient number, since it is larger than the sum of its proper divisors (1336949).

2271115 is a wasteful number, since it uses less digits than its factorization.

2271115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387.

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

The square root of 2271115 is about 1507.0218976511. The cubic root of 2271115 is about 131.4456974825.

Adding to 2271115 its reverse (5111722), we get a palindrome (7382837).

The spelling of 2271115 in words is "two million, two hundred seventy-one thousand, one hundred fifteen".