2271116 has 6 divisors (see below), whose sum is σ = 3974460. Its totient is φ = 1135556.

The previous prime is 2271107. The next prime is 2271119. The reversal of 2271116 is 6111722.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283886 + ... + 283893.

It is an arithmetic number, because the mean of its divisors is an integer number (662410).

2^2271116 is an apocalyptic number.

It is an amenable number.

2271116 is a deficient number, since it is larger than the sum of its proper divisors (1703344).

2271116 is a wasteful number, since it uses less digits than its factorization.

2271116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567783 (or 567781 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 2271116 is about 1507.0222294313. The cubic root of 2271116 is about 131.4457167748.

Adding to 2271116 its reverse (6111722), we get a palindrome (8382838).

Subtracting 2271116 from its reverse (6111722), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2271116 in words is "two million, two hundred seventy-one thousand, one hundred sixteen".