205922 has 8 divisors (see below), whose sum is σ = 325200. Its totient is φ = 97524.

The previous prime is 205913. The next prime is 205937. The reversal of 205922 is 229502.

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

It is a junction number, because it is equal to n+sod(n) for n = 205894 and 205903.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 205922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2672 + ... + 2747.

It is an arithmetic number, because the mean of its divisors is an integer number (40650).

2²⁰⁵⁹²² is an apocalyptic number.

205922 is a deficient number, since it is larger than the sum of its proper divisors (119278).

205922 is a wasteful number, since it uses less digits than its factorization.

205922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 205922 is about 453.7862933144. The cubic root of 205922 is about 59.0519507955.

The spelling of 205922 in words is "two hundred five thousand, nine hundred twenty-two".