2271465 has 24 divisors (see below), whose sum is σ = 4500288. Its totient is φ = 1038240.

The previous prime is 2271443. The next prime is 2271473. The reversal of 2271465 is 5641722.

It is not a de Polignac number, because 2271465 - 2⁵ = 2271433 is a prime.

2271465 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3291 + ... + 3920.

It is an arithmetic number, because the mean of its divisors is an integer number (187512).

2^2271465 is an apocalyptic number.

It is an amenable number.

2271465 is a deficient number, since it is larger than the sum of its proper divisors (2228823).

2271465 is a wasteful number, since it uses less digits than its factorization.

2271465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229 (or 7226 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2271465 is about 1507.1380162414. The cubic root of 2271465 is about 131.4524494715.

The spelling of 2271465 in words is "two million, two hundred seventy-one thousand, four hundred sixty-five".