3223760021 has 2 divisors, whose sum is σ = 3223760022. Its totient is φ = 3223760020.

The previous prime is 3223759993. The next prime is 3223760083. The reversal of 3223760021 is 1200673223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2558842225 + 664917796 = 50585^2 + 25786^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223760021 - 2¹⁴ = 3223743637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3223760621) 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, 1611880010 + 1611880011.

It is an arithmetic number, because the mean of its divisors is an integer number (1611880011).

Almost surely, 2^3223760021 is an apocalyptic number.

It is an amenable number.

3223760021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3223760021 is an equidigital number, since it uses as much as digits as its factorization.

3223760021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 3223760021 is about 56778.1650020499. The cubic root of 3223760021 is about 1477.2508041015.

The spelling of 3223760021 in words is "three billion, two hundred twenty-three million, seven hundred sixty thousand, twenty-one".