3122279 has 2 divisors, whose sum is σ = 3122280. Its totient is φ = 3122278.

The previous prime is 3122261. The next prime is 3122281. The reversal of 3122279 is 9722213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3122279 - 2¹² = 3118183 is a prime.

Together with 3122281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3122219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561139 + 1561140.

It is an arithmetic number, because the mean of its divisors is an integer number (1561140).

Almost surely, 2^3122279 is an apocalyptic number.

3122279 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122279 is an equidigital number, since it uses as much as digits as its factorization.

3122279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 3122279 is about 1766.9971703430. The cubic root of 3122279 is about 146.1584412434.

The spelling of 3122279 in words is "three million, one hundred twenty-two thousand, two hundred seventy-nine".