205622 has 4 divisors (see below), whose sum is σ = 308436. Its totient is φ = 102810.

The previous prime is 205619. The next prime is 205627. The reversal of 205622 is 226502.

205622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 205622.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 205622.

It is not an unprimeable number, because it can be changed into a prime (205627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51404 + ... + 51407.

It is an arithmetic number, because the mean of its divisors is an integer number (77109).

2²⁰⁵⁶²² is an apocalyptic number.

205622 is a deficient number, since it is larger than the sum of its proper divisors (102814).

205622 is a wasteful number, since it uses less digits than its factorization.

205622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102813.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 205622 is about 453.4556207613. The cubic root of 205622 is about 59.0232600044.

The spelling of 205622 in words is "two hundred five thousand, six hundred twenty-two".