22030204321 has 2 divisors, whose sum is σ = 22030204322. Its totient is φ = 22030204320.

The previous prime is 22030204291. The next prime is 22030204363. The reversal of 22030204321 is 12340203022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18744621921 + 3285582400 = 136911^2 + 57320^2 .

It is a cyclic number.

It is not a de Polignac number, because 22030204321 - 2²¹ = 22028107169 is a prime.

It is not a weakly prime, because it can be changed into another prime (22030204121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015102160 + 11015102161.

It is an arithmetic number, because the mean of its divisors is an integer number (11015102161).

Almost surely, 2^22030204321 is an apocalyptic number.

It is an amenable number.

22030204321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030204321 is an equidigital number, since it uses as much as digits as its factorization.

22030204321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22030204321 its reverse (12340203022), we get a palindrome (34370407343).

The spelling of 22030204321 in words is "twenty-two billion, thirty million, two hundred four thousand, three hundred twenty-one".