2220241321 has 2 divisors, whose sum is σ = 2220241322. Its totient is φ = 2220241320.

The previous prime is 2220241249. The next prime is 2220241343. The reversal of 2220241321 is 1231420222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2215020096 + 5221225 = 47064^2 + 2285^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220241321 - 2⁷ = 2220241193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220248321) 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, 1110120660 + 1110120661.

It is an arithmetic number, because the mean of its divisors is an integer number (1110120661).

Almost surely, 2^2220241321 is an apocalyptic number.

It is an amenable number.

2220241321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220241321 is an equidigital number, since it uses as much as digits as its factorization.

2220241321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2220241321 is about 47119.4367644606. The cubic root of 2220241321 is about 1304.5680168141.

Adding to 2220241321 its reverse (1231420222), we get a palindrome (3451661543).

The spelling of 2220241321 in words is "two billion, two hundred twenty million, two hundred forty-one thousand, three hundred twenty-one".