2285823665 has 4 divisors (see below), whose sum is σ = 2742988404. Its totient is φ = 1828658928.

The previous prime is 2285823647. The next prime is 2285823707. The reversal of 2285823665 is 5663285822.

2285823665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1699747984 + 586075681 = 41228^2 + 24209^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285823665 - 2¹⁶ = 2285758129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228582362 + ... + 228582371.

It is an arithmetic number, because the mean of its divisors is an integer number (685747101).

Almost surely, 2^2285823665 is an apocalyptic number.

It is an amenable number.

2285823665 is a deficient number, since it is larger than the sum of its proper divisors (457164739).

2285823665 is an equidigital number, since it uses as much as digits as its factorization.

2285823665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457164738.

The product of its digits is 1382400, while the sum is 47.

The square root of 2285823665 is about 47810.2882756421. The cubic root of 2285823665 is about 1317.2885236077.

The spelling of 2285823665 in words is "two billion, two hundred eighty-five million, eight hundred twenty-three thousand, six hundred sixty-five".