2206386405 has 64 divisors (see below), whose sum is σ = 4158720000. Its totient is φ = 1107924480.

The previous prime is 2206386379. The next prime is 2206386421. The reversal of 2206386405 is 5046836022.

2206386405 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 3 + 8 + 640 + 5 = 666.

It is not a de Polignac number, because 2206386405 - 2⁹ = 2206385893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2206386405.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 147721 + ... + 161969.

It is an arithmetic number, because the mean of its divisors is an integer number (64980000).

Almost surely, 2^2206386405 is an apocalyptic number.

It is an amenable number.

2206386405 is a deficient number, since it is larger than the sum of its proper divisors (1952333595).

2206386405 is a wasteful number, since it uses less digits than its factorization.

2206386405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14331 (or 14325 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2206386405 is about 46972.1875688157. The cubic root of 2206386405 is about 1301.8487316032.

The spelling of 2206386405 in words is "two billion, two hundred six million, three hundred eighty-six thousand, four hundred five".