2260665 has 24 divisors (see below), whose sum is σ = 4275648. Its totient is φ = 1095840.

The previous prime is 2260651. The next prime is 2260673. The reversal of 2260665 is 5660622.

It is not a de Polignac number, because 2260665 - 2⁴ = 2260649 is a prime.

It is a super-2 number, since 2×2260665² = 10221212484450, which contains 22 as substring.

It is a Curzon number.

2260665 is a lucky number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 1789 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (178152).

2^2260665 is an apocalyptic number.

It is an amenable number.

2260665 is a deficient number, since it is larger than the sum of its proper divisors (2014983).

2260665 is a wasteful number, since it uses less digits than its factorization.

2260665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589 (or 4586 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2260665 is about 1503.5507972796. The cubic root of 2260665 is about 131.2437820184.

The spelling of 2260665 in words is "two million, two hundred sixty thousand, six hundred sixty-five".