3212221979 has 2 divisors, whose sum is σ = 3212221980. Its totient is φ = 3212221978.

The previous prime is 3212221967. The next prime is 3212222047. The reversal of 3212221979 is 9791222123.

It is a weak prime.

It is an emirp because it is prime and its reverse (9791222123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3212221979 - 2²⁸ = 2943786523 is a prime.

It is not a weakly prime, because it can be changed into another prime (3212221919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606110989 + 1606110990.

It is an arithmetic number, because the mean of its divisors is an integer number (1606110990).

Almost surely, 2^3212221979 is an apocalyptic number.

3212221979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212221979 is an equidigital number, since it uses as much as digits as its factorization.

3212221979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 3212221979 is about 56676.4675945846. The cubic root of 3212221979 is about 1475.4863058358.

The spelling of 3212221979 in words is "three billion, two hundred twelve million, two hundred twenty-one thousand, nine hundred seventy-nine".