205223224 has 32 divisors (see below), whose sum is σ = 398131200. Its totient is φ = 99070560.

The previous prime is 205223203. The next prime is 205223233. The reversal of 205223224 is 422322502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 205223195 and 205223204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159817 + ... + 161095.

It is an arithmetic number, because the mean of its divisors is an integer number (12441600).

Almost surely, 2^205223224 is an apocalyptic number.

It is an amenable number.

205223224 is a deficient number, since it is larger than the sum of its proper divisors (192907976).

205223224 is a wasteful number, since it uses less digits than its factorization.

205223224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 205223224 is about 14325.6142625718. The cubic root of 205223224 is about 589.8507944068.

Adding to 205223224 its reverse (422322502), we get a palindrome (627545726).

The spelling of 205223224 in words is "two hundred five million, two hundred twenty-three thousand, two hundred twenty-four".