3221423329 has 2 divisors, whose sum is σ = 3221423330. Its totient is φ = 3221423328.

The previous prime is 3221423321. The next prime is 3221423353. The reversal of 3221423329 is 9233241223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2522349729 + 699073600 = 50223^2 + 26440^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221423329 - 2³ = 3221423321 is a prime.

It is a super-3 number, since 3×3221423329³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3221423329.

It is not a weakly prime, because it can be changed into another prime (3221423321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610711664 + 1610711665.

It is an arithmetic number, because the mean of its divisors is an integer number (1610711665).

Almost surely, 2^3221423329 is an apocalyptic number.

It is an amenable number.

3221423329 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221423329 is an equidigital number, since it uses as much as digits as its factorization.

3221423329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 3221423329 is about 56757.5838897323. The cubic root of 3221423329 is about 1476.8937971218.

The spelling of 3221423329 in words is "three billion, two hundred twenty-one million, four hundred twenty-three thousand, three hundred twenty-nine".