2208004865 has 16 divisors (see below), whose sum is σ = 2893389120. Its totient is φ = 1604205120.

The previous prime is 2208004847. The next prime is 2208004879. The reversal of 2208004865 is 5684008022.

It is not a de Polignac number, because 2208004865 - 2¹⁸ = 2207742721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36347 + ... + 75743.

It is an arithmetic number, because the mean of its divisors is an integer number (180836820).

Almost surely, 2^2208004865 is an apocalyptic number.

It is an amenable number.

2208004865 is a deficient number, since it is larger than the sum of its proper divisors (685384255).

2208004865 is a wasteful number, since it uses less digits than its factorization.

2208004865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40432.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 2208004865 is about 46989.4122648922. The cubic root of 2208004865 is about 1302.1669706810.

The spelling of 2208004865 in words is "two billion, two hundred eight million, four thousand, eight hundred sixty-five".