2206680804 has 18 divisors (see below), whose sum is σ = 5577998790. Its totient is φ = 735560256.

The previous prime is 2206680793. The next prime is 2206680841. The reversal of 2206680804 is 4080866022.

It can be written as a sum of positive squares in only one way, i.e., 1780671204 + 426009600 = 42198^2 + 20640^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 61296689 = 2206680804 / (2 + 2 + 0 + 6 + 6 + 8 + 0 + 8 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30648309 + ... + 30648380.

Almost surely, 2^2206680804 is an apocalyptic number.

It is an amenable number.

2206680804 is an abundant number, since it is smaller than the sum of its proper divisors (3371317986).

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

2206680804 is a wasteful number, since it uses less digits than its factorization.

2206680804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61296699 (or 61296694 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2206680804 is about 46975.3212229571. The cubic root of 2206680804 is about 1301.9066310897.

The spelling of 2206680804 in words is "two billion, two hundred six million, six hundred eighty thousand, eight hundred four".