2206340306 has 12 divisors (see below), whose sum is σ = 3492863982. Its totient is φ = 1045108224.

The previous prime is 2206340273. The next prime is 2206340333. The reversal of 2206340306 is 6030436022.

It can be written as a sum of positive squares in only one way, i.e., 2186404081 + 19936225 = 46759^2 + 4465^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1527215 + ... + 1528658.

Almost surely, 2^2206340306 is an apocalyptic number.

2206340306 is a deficient number, since it is larger than the sum of its proper divisors (1286523676).

2206340306 is a wasteful number, since it uses less digits than its factorization.

2206340306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055913 (or 3055894 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 2206340306 is about 46971.6968609821. The cubic root of 2206340306 is about 1301.8396648410.

Adding to 2206340306 its reverse (6030436022), we get a palindrome (8236776328).

The spelling of 2206340306 in words is "two billion, two hundred six million, three hundred forty thousand, three hundred six".