2200668805 has 4 divisors (see below), whose sum is σ = 2640802572. Its totient is φ = 1760535040.

The previous prime is 2200668803. The next prime is 2200668823. The reversal of 2200668805 is 5088660022.

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 586075681 + 1614593124 = 24209^2 + 40182^2 .

It is not a de Polignac number, because 2200668805 - 2¹ = 2200668803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200668803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220066876 + ... + 220066885.

It is an arithmetic number, because the mean of its divisors is an integer number (660200643).

Almost surely, 2^2200668805 is an apocalyptic number.

It is an amenable number.

2200668805 is a deficient number, since it is larger than the sum of its proper divisors (440133767).

2200668805 is an equidigital number, since it uses as much as digits as its factorization.

2200668805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440133766.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2200668805 is about 46911.2865417268. The cubic root of 2200668805 is about 1300.7232277503.

The spelling of 2200668805 in words is "two billion, two hundred million, six hundred sixty-eight thousand, eight hundred five".