205609022 has 8 divisors (see below), whose sum is σ = 308536536. Its totient is φ = 102763512.

The previous prime is 205609021. The next prime is 205609073. The reversal of 205609022 is 220906502.

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 = 205608982 and 205609000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205609021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13793 + ... + 24524.

It is an arithmetic number, because the mean of its divisors is an integer number (38567067).

Almost surely, 2^205609022 is an apocalyptic number.

205609022 is a deficient number, since it is larger than the sum of its proper divisors (102927514).

205609022 is a wasteful number, since it uses less digits than its factorization.

205609022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41002.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 205609022 is about 14339.0732615466. The cubic root of 205609022 is about 590.2201821119.

The spelling of 205609022 in words is "two hundred five million, six hundred nine thousand, twenty-two".