204226069 has 2 divisors, whose sum is σ = 204226070. Its totient is φ = 204226068.

The previous prime is 204226063. The next prime is 204226103. The reversal of 204226069 is 960622402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187333969 + 16892100 = 13687^2 + 4110^2 .

It is a cyclic number.

It is not a de Polignac number, because 204226069 - 2⁹ = 204225557 is a prime.

It is a super-2 number, since 2×204226069² = 83416574518385522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204226069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204226063) 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, 102113034 + 102113035.

It is an arithmetic number, because the mean of its divisors is an integer number (102113035).

Almost surely, 2^204226069 is an apocalyptic number.

It is an amenable number.

204226069 is a deficient number, since it is larger than the sum of its proper divisors (1).

204226069 is an equidigital number, since it uses as much as digits as its factorization.

204226069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 204226069 is about 14290.7686637213. The cubic root of 204226069 is about 588.8939048674.

The spelling of 204226069 in words is "two hundred four million, two hundred twenty-six thousand, sixty-nine".