3223300021 has 2 divisors, whose sum is σ = 3223300022. Its totient is φ = 3223300020.

The previous prime is 3223300019. The next prime is 3223300039. The reversal of 3223300021 is 1200033223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2821096996 + 402203025 = 53114^2 + 20055^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223300021 - 2¹ = 3223300019 is a prime.

Together with 3223300019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3223299968 and 3223300004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3223300121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611650010 + 1611650011.

It is an arithmetic number, because the mean of its divisors is an integer number (1611650011).

Almost surely, 2^3223300021 is an apocalyptic number.

It is an amenable number.

3223300021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3223300021 is an equidigital number, since it uses as much as digits as its factorization.

3223300021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3223300021 is about 56774.1140045356. The cubic root of 3223300021 is about 1477.1805375299.

Adding to 3223300021 its reverse (1200033223), we get a palindrome (4423333244).

The spelling of 3223300021 in words is "three billion, two hundred twenty-three million, three hundred thousand, twenty-one".