3220665139 has 2 divisors, whose sum is σ = 3220665140. Its totient is φ = 3220665138.

The previous prime is 3220665131. The next prime is 3220665163. The reversal of 3220665139 is 9315660223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3220665139 - 2³ = 3220665131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3220665098 and 3220665107.

It is not a weakly prime, because it can be changed into another prime (3220665131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610332569 + 1610332570.

It is an arithmetic number, because the mean of its divisors is an integer number (1610332570).

Almost surely, 2^3220665139 is an apocalyptic number.

3220665139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220665139 is an equidigital number, since it uses as much as digits as its factorization.

3220665139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 3220665139 is about 56750.9043011651. The cubic root of 3220665139 is about 1476.7779214302. Note that the first 3 decimals are identical.

The spelling of 3220665139 in words is "three billion, two hundred twenty million, six hundred sixty-five thousand, one hundred thirty-nine".