204224663 has 2 divisors, whose sum is σ = 204224664. Its totient is φ = 204224662.

The previous prime is 204224633. The next prime is 204224707. The reversal of 204224663 is 366422402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204224663 - 2⁶ = 204224599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204224633) 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, 102112331 + 102112332.

It is an arithmetic number, because the mean of its divisors is an integer number (102112332).

Almost surely, 2^204224663 is an apocalyptic number.

204224663 is a deficient number, since it is larger than the sum of its proper divisors (1).

204224663 is an equidigital number, since it uses as much as digits as its factorization.

204224663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 204224663 is about 14290.7194710413. The cubic root of 204224663 is about 588.8925534455.

The spelling of 204224663 in words is "two hundred four million, two hundred twenty-four thousand, six hundred sixty-three".