205305224 has 16 divisors (see below), whose sum is σ = 387718800. Its totient is φ = 101913552.

The previous prime is 205305211. The next prime is 205305227. The reversal of 205305224 is 422503502.

It is a self number, because there is not a number n which added to its sum of digits gives 205305224.

It is not an unprimeable number, because it can be changed into a prime (205305227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91202 + ... + 93425.

It is an arithmetic number, because the mean of its divisors is an integer number (24232425).

Almost surely, 2^205305224 is an apocalyptic number.

It is an amenable number.

205305224 is a deficient number, since it is larger than the sum of its proper divisors (182413576).

205305224 is a wasteful number, since it uses less digits than its factorization.

205305224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184772 (or 184768 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 205305224 is about 14328.4759831602. The cubic root of 205305224 is about 589.9293451732.

Adding to 205305224 its reverse (422503502), we get a palindrome (627808726).

The spelling of 205305224 in words is "two hundred five million, three hundred five thousand, two hundred twenty-four".