204224089 has 2 divisors, whose sum is σ = 204224090. Its totient is φ = 204224088.

The previous prime is 204224057. The next prime is 204224101. The reversal of 204224089 is 980422402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187142400 + 17081689 = 13680^2 + 4133^2 .

It is a cyclic number.

It is not a de Polignac number, because 204224089 - 2⁵ = 204224057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204224089.

It is not a weakly prime, because it can be changed into another prime (204224029) 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 as a sum of consecutive naturals, namely, 102112044 + 102112045.

It is an arithmetic number, because the mean of its divisors is an integer number (102112045).

Almost surely, 2^204224089 is an apocalyptic number.

It is an amenable number.

204224089 is a deficient number, since it is larger than the sum of its proper divisors (1).

204224089 is an equidigital number, since it uses as much as digits as its factorization.

204224089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 204224089 is about 14290.6993880636. The cubic root of 204224089 is about 588.8920017253.

The spelling of 204224089 in words is "two hundred four million, two hundred twenty-four thousand, eighty-nine".