206605122 has 8 divisors (see below), whose sum is σ = 413210256. Its totient is φ = 68868372.

The previous prime is 206605117. The next prime is 206605163. The reversal of 206605122 is 221506602.

It is a sphenic number, since it is the product of 3 distinct primes.

206605122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 206605092 and 206605101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17217088 + ... + 17217099.

It is an arithmetic number, because the mean of its divisors is an integer number (51651282).

Almost surely, 2^206605122 is an apocalyptic number.

206605122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

206605122 is a wasteful number, since it uses less digits than its factorization.

206605122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34434192.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 206605122 is about 14373.7650599973. The cubic root of 206605122 is about 591.1717801965.

The spelling of 206605122 in words is "two hundred six million, six hundred five thousand, one hundred twenty-two".