3222202421 has 2 divisors, whose sum is σ = 3222202422. Its totient is φ = 3222202420.

The previous prime is 3222202409. The next prime is 3222202429. The reversal of 3222202421 is 1242022223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2099014225 + 1123188196 = 45815^2 + 33514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3222202421 is a prime.

It is a super-2 number, since 2×3222202421² = 20765176883796522482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3222202393 and 3222202402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3222202429) 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, 1611101210 + 1611101211.

It is an arithmetic number, because the mean of its divisors is an integer number (1611101211).

Almost surely, 2^3222202421 is an apocalyptic number.

It is an amenable number.

3222202421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3222202421 is an equidigital number, since it uses as much as digits as its factorization.

3222202421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3222202421 is about 56764.4468043158. The cubic root of 3222202421 is about 1477.0128483690.

Adding to 3222202421 its reverse (1242022223), we get a palindrome (4464224644).

The spelling of 3222202421 in words is "three billion, two hundred twenty-two million, two hundred two thousand, four hundred twenty-one".