205224105 has 16 divisors (see below), whose sum is σ = 329152320. Its totient is φ = 109188288.

The previous prime is 205224091. The next prime is 205224113. The reversal of 205224105 is 501422502.

It is a happy number.

It is not a de Polignac number, because 205224105 - 2⁸ = 205223849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10042 + ... + 22611.

It is an arithmetic number, because the mean of its divisors is an integer number (20572020).

Almost surely, 2^205224105 is an apocalyptic number.

It is an amenable number.

205224105 is a deficient number, since it is larger than the sum of its proper divisors (123928215).

205224105 is a wasteful number, since it uses less digits than its factorization.

205224105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33080.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 205224105 is about 14325.6450116565. The cubic root of 205224105 is about 589.8516384598.

Adding to 205224105 its reverse (501422502), we get a palindrome (706646607).

The spelling of 205224105 in words is "two hundred five million, two hundred twenty-four thousand, one hundred five".