3220145333 has 2 divisors, whose sum is σ = 3220145334. Its totient is φ = 3220145332.

The previous prime is 3220145317. The next prime is 3220145339. The reversal of 3220145333 is 3335410223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2881327684 + 338817649 = 53678^2 + 18407^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220145333 - 2⁴ = 3220145317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220145339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610072666 + 1610072667.

It is an arithmetic number, because the mean of its divisors is an integer number (1610072667).

Almost surely, 2^3220145333 is an apocalyptic number.

It is an amenable number.

3220145333 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220145333 is an equidigital number, since it uses as much as digits as its factorization.

3220145333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 3220145333 is about 56746.3244007927. The cubic root of 3220145333 is about 1476.6984679329.

Adding to 3220145333 its reverse (3335410223), we get a palindrome (6555555556).

The spelling of 3220145333 in words is "three billion, two hundred twenty million, one hundred forty-five thousand, three hundred thirty-three".