3221122279 has 2 divisors, whose sum is σ = 3221122280. Its totient is φ = 3221122278.

The previous prime is 3221122259. The next prime is 3221122343. The reversal of 3221122279 is 9722211223.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221122279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3221122279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221122259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610561139 + 1610561140.

It is an arithmetic number, because the mean of its divisors is an integer number (1610561140).

Almost surely, 2^3221122279 is an apocalyptic number.

3221122279 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221122279 is an equidigital number, since it uses as much as digits as its factorization.

3221122279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 3221122279 is about 56754.9317592753. The cubic root of 3221122279 is about 1476.8477892258.

The spelling of 3221122279 in words is "three billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred seventy-nine".