204221299 has 2 divisors, whose sum is σ = 204221300. Its totient is φ = 204221298.

The previous prime is 204221261. The next prime is 204221321. The reversal of 204221299 is 992122402.

204221299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204221299 - 2⁹ = 204220787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204221299.

It is not a weakly prime, because it can be changed into another prime (204224299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102110649 + 102110650.

It is an arithmetic number, because the mean of its divisors is an integer number (102110650).

Almost surely, 2^204221299 is an apocalyptic number.

204221299 is a deficient number, since it is larger than the sum of its proper divisors (1).

204221299 is an equidigital number, since it uses as much as digits as its factorization.

204221299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 204221299 is about 14290.6017717939. The cubic root of 204221299 is about 588.8893200042.

The spelling of 204221299 in words is "two hundred four million, two hundred twenty-one thousand, two hundred ninety-nine".