3220379797 has 2 divisors, whose sum is σ = 3220379798. Its totient is φ = 3220379796.

The previous prime is 3220379777. The next prime is 3220379837. The reversal of 3220379797 is 7979730223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2571098436 + 649281361 = 50706^2 + 25481^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220379797 - 2¹¹ = 3220377749 is a prime.

It is a super-2 number, since 2×3220379797² = 20741692073851522418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3220379797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220379777) 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, 1610189898 + 1610189899.

It is an arithmetic number, because the mean of its divisors is an integer number (1610189899).

Almost surely, 2^3220379797 is an apocalyptic number.

It is an amenable number.

3220379797 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220379797 is an equidigital number, since it uses as much as digits as its factorization.

3220379797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000188, while the sum is 49.

The square root of 3220379797 is about 56748.3902591078. The cubic root of 3220379797 is about 1476.7343073326.

The spelling of 3220379797 in words is "three billion, two hundred twenty million, three hundred seventy-nine thousand, seven hundred ninety-seven".