2285335665 has 24 divisors (see below), whose sum is σ = 3965106600. Its totient is φ = 1217658624.

The previous prime is 2285335643. The next prime is 2285335667. The reversal of 2285335665 is 5665335822.

2285335665 is a `hidden beast` number, since 2 + 2 + 8 + 533 + 56 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 507195441 + 1778140224 = 22521^2 + 42168^2 .

It is not a de Polignac number, because 2285335665 - 2⁶ = 2285335601 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2285335665.

It is not an unprimeable number, because it can be changed into a prime (2285335667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22999 + ... + 71411.

It is an arithmetic number, because the mean of its divisors is an integer number (165212775).

Almost surely, 2^2285335665 is an apocalyptic number.

It is an amenable number.

2285335665 is a deficient number, since it is larger than the sum of its proper divisors (1679770935).

2285335665 is a wasteful number, since it uses less digits than its factorization.

2285335665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49473 (or 49470 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The square root of 2285335665 is about 47805.1844991733. The cubic root of 2285335665 is about 1317.1947743886.

The spelling of 2285335665 in words is "two billion, two hundred eighty-five million, three hundred thirty-five thousand, six hundred sixty-five".