2205659808 has 120 divisors (see below), whose sum is σ = 7076583360. Its totient is φ = 668373120.

The previous prime is 2205659803. The next prime is 2205659831. The reversal of 2205659808 is 8089565022.

2205659808 is a `hidden beast` number, since 2 + 2 + 0 + 56 + 598 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (2205659803) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10168 + ... + 67191.

It is an arithmetic number, because the mean of its divisors is an integer number (58971528).

Almost surely, 2^2205659808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205659808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3538291680).

2205659808 is an abundant number, since it is smaller than the sum of its proper divisors (4870923552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2205659808 is a wasteful number, since it uses less digits than its factorization.

2205659808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77392 (or 77375 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 2205659808 is about 46964.4525998121. The cubic root of 2205659808 is about 1301.7058096389.

The spelling of 2205659808 in words is "two billion, two hundred five million, six hundred fifty-nine thousand, eight hundred eight".