3220425473 has 2 divisors, whose sum is σ = 3220425474. Its totient is φ = 3220425472.

The previous prime is 3220425457. The next prime is 3220425479. The reversal of 3220425473 is 3745240223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3189199729 + 31225744 = 56473^2 + 5588^2 .

It is an emirp because it is prime and its reverse (3745240223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3220425473 - 2⁴ = 3220425457 is a prime.

It is a super-2 number, since 2×3220425473² = 20742280454294547458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3220425479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610212736 + 1610212737.

It is an arithmetic number, because the mean of its divisors is an integer number (1610212737).

Almost surely, 2^3220425473 is an apocalyptic number.

It is an amenable number.

3220425473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220425473 is an equidigital number, since it uses as much as digits as its factorization.

3220425473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 3220425473 is about 56748.7927008143. The cubic root of 3220425473 is about 1476.7412890140.

Adding to 3220425473 its reverse (3745240223), we get a palindrome (6965665696).

The spelling of 3220425473 in words is "three billion, two hundred twenty million, four hundred twenty-five thousand, four hundred seventy-three".