3220404739 has 2 divisors, whose sum is σ = 3220404740. Its totient is φ = 3220404738.

The previous prime is 3220404697. The next prime is 3220404751. The reversal of 3220404739 is 9374040223.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3220404739 - 2⁹ = 3220404227 is a prime.

It is not a weakly prime, because it can be changed into another prime (3220464739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610202369 + 1610202370.

It is an arithmetic number, because the mean of its divisors is an integer number (1610202370).

Almost surely, 2^3220404739 is an apocalyptic number.

3220404739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220404739 is an equidigital number, since it uses as much as digits as its factorization.

3220404739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 3220404739 is about 56748.6100182198. The cubic root of 3220404739 is about 1476.7381197827.

The spelling of 3220404739 in words is "three billion, two hundred twenty million, four hundred four thousand, seven hundred thirty-nine".