2206642206266 has 16 divisors (see below), whose sum is σ = 3334517710056. Its totient is φ = 1095138206976.

The previous prime is 2206642206229. The next prime is 2206642206271. The reversal of 2206642206266 is 6626022466022.

2206642206266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2151734000641 + 54908205625 = 1466879^2 + 234325^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867460 + ... + 2810816.

Almost surely, 2^{2206642206266} is an apocalyptic number.

2206642206266 is a deficient number, since it is larger than the sum of its proper divisors (1127875503790).

2206642206266 is a wasteful number, since it uses less digits than its factorization.

2206642206266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952033.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 2206642206266 in words is "two trillion, two hundred six billion, six hundred forty-two million, two hundred six thousand, two hundred sixty-six".