204222305 has 16 divisors (see below), whose sum is σ = 284826240. Its totient is φ = 137663232.

The previous prime is 204222287. The next prime is 204222331. The reversal of 204222305 is 503222402.

It is not a de Polignac number, because 204222305 - 2⁸ = 204222049 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 47384 + ... + 51513.

It is an arithmetic number, because the mean of its divisors is an integer number (17801640).

Almost surely, 2^204222305 is an apocalyptic number.

It is an amenable number.

204222305 is a deficient number, since it is larger than the sum of its proper divisors (80603935).

204222305 is an equidigital number, since it uses as much as digits as its factorization.

204222305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98968.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 204222305 is about 14290.6369697085. The cubic root of 204222305 is about 588.8902869645.

Adding to 204222305 its reverse (503222402), we get a palindrome (707444707).

The spelling of 204222305 in words is "two hundred four million, two hundred twenty-two thousand, three hundred five".