206605422 has 12 divisors (see below), whose sum is σ = 447645120. Its totient is φ = 68868468.

The previous prime is 206605417. The next prime is 206605439. The reversal of 206605422 is 224506602.

206605422 is digitally balanced in base 3, 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, 5739022 + ... + 5739057.

It is an arithmetic number, because the mean of its divisors is an integer number (37303760).

Almost surely, 2^206605422 is an apocalyptic number.

206605422 is an abundant number, since it is smaller than the sum of its proper divisors (241039698).

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

206605422 is a wasteful number, since it uses less digits than its factorization.

206605422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11478087 (or 11478084 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 206605422 is about 14373.7754956727. The cubic root of 206605422 is about 591.1720663325.

The spelling of 206605422 in words is "two hundred six million, six hundred five thousand, four hundred twenty-two".