2208808065 has 16 divisors (see below), whose sum is σ = 3535189056. Its totient is φ = 1177665600.

The previous prime is 2208808057. The next prime is 2208808067. The reversal of 2208808065 is 5608088022.

It is not a de Polignac number, because 2208808065 - 2³ = 2208808057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2208808067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31275 + ... + 73455.

It is an arithmetic number, because the mean of its divisors is an integer number (220949316).

Almost surely, 2^2208808065 is an apocalyptic number.

It is an amenable number.

2208808065 is a deficient number, since it is larger than the sum of its proper divisors (1326380991).

2208808065 is a wasteful number, since it uses less digits than its factorization.

2208808065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45680.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 2208808065 is about 46997.9580939428. The cubic root of 2208808065 is about 1302.3248467998.

The spelling of 2208808065 in words is "two billion, two hundred eight million, eight hundred eight thousand, sixty-five".