3226021321 has 2 divisors, whose sum is σ = 3226021322. Its totient is φ = 3226021320.

The previous prime is 3226021313. The next prime is 3226021339. The reversal of 3226021321 is 1231206223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1798692921 + 1427328400 = 42411^2 + 37780^2 .

It is a cyclic number.

It is not a de Polignac number, because 3226021321 - 2³ = 3226021313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3226021292 and 3226021301.

It is not a weakly prime, because it can be changed into another prime (3226028321) 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, 1613010660 + 1613010661.

It is an arithmetic number, because the mean of its divisors is an integer number (1613010661).

Almost surely, 2^3226021321 is an apocalyptic number.

It is an amenable number.

3226021321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3226021321 is an equidigital number, since it uses as much as digits as its factorization.

3226021321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3226021321 is about 56798.0749761821. The cubic root of 3226021321 is about 1477.5961282429.

Adding to 3226021321 its reverse (1231206223), we get a palindrome (4457227544).

The spelling of 3226021321 in words is "three billion, two hundred twenty-six million, twenty-one thousand, three hundred twenty-one".