3122204321 has 2 divisors, whose sum is σ = 3122204322. Its totient is φ = 3122204320.

The previous prime is 3122204291. The next prime is 3122204353. The reversal of 3122204321 is 1234022213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2566942225 + 555262096 = 50665^2 + 23564^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122204321 - 2⁶ = 3122204257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3122204293 and 3122204302.

It is not a weakly prime, because it can be changed into another prime (3122204021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561102160 + 1561102161.

It is an arithmetic number, because the mean of its divisors is an integer number (1561102161).

Almost surely, 2^3122204321 is an apocalyptic number.

It is an amenable number.

3122204321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122204321 is an equidigital number, since it uses as much as digits as its factorization.

3122204321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3122204321 is about 55876.6885292964. The cubic root of 3122204321 is about 1461.5727595643.

Adding to 3122204321 its reverse (1234022213), we get a palindrome (4356226534).

The spelling of 3122204321 in words is "three billion, one hundred twenty-two million, two hundred four thousand, three hundred twenty-one".