206886222 has 12 divisors (see below), whose sum is σ = 448253520. Its totient is φ = 68962068.

The previous prime is 206886217. The next prime is 206886233. The reversal of 206886222 is 222688602.

206886222 is a `hidden beast` number, since 20 + 6 + 8 + 8 + 622 + 2 = 666.

206886222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5746822 + ... + 5746857.

It is an arithmetic number, because the mean of its divisors is an integer number (37354460).

Almost surely, 2^206886222 is an apocalyptic number.

206886222 is an abundant number, since it is smaller than the sum of its proper divisors (241367298).

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

206886222 is a wasteful number, since it uses less digits than its factorization.

206886222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493687 (or 11493684 counting only the distinct ones).

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

The square root of 206886222 is about 14383.5399676158. The cubic root of 206886222 is about 591.4397681940.

The spelling of 206886222 in words is "two hundred six million, eight hundred eighty-six thousand, two hundred twenty-two".