1222002179 has 2 divisors, whose sum is σ = 1222002180. Its totient is φ = 1222002178.

The previous prime is 1222002163. The next prime is 1222002181. The reversal of 1222002179 is 9712002221.

It is a strong prime.

It is an emirp because it is prime and its reverse (9712002221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222002179 - 2⁴ = 1222002163 is a prime.

Together with 1222002181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1222002779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611001089 + 611001090.

It is an arithmetic number, because the mean of its divisors is an integer number (611001090).

Almost surely, 2^1222002179 is an apocalyptic number.

1222002179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222002179 is an equidigital number, since it uses as much as digits as its factorization.

1222002179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1222002179 is about 34957.1477526414. The cubic root of 1222002179 is about 1069.1139428577.

The spelling of 1222002179 in words is "one billion, two hundred twenty-two million, two thousand, one hundred seventy-nine".