1422442019 has 2 divisors, whose sum is σ = 1422442020. Its totient is φ = 1422442018.

The previous prime is 1422442013. The next prime is 1422442031. The reversal of 1422442019 is 9102442241.

It is a weak prime.

It is an emirp because it is prime and its reverse (9102442241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422442019 is a prime.

It is a super-2 number, since 2×1422442019² = 4046682594833592722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1422441982 and 1422442000.

It is not a weakly prime, because it can be changed into another prime (1422442013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711221009 + 711221010.

It is an arithmetic number, because the mean of its divisors is an integer number (711221010).

Almost surely, 2^1422442019 is an apocalyptic number.

1422442019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422442019 is an equidigital number, since it uses as much as digits as its factorization.

1422442019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1422442019 is about 37715.2756718017. The cubic root of 1422442019 is about 1124.6348165168.

The spelling of 1422442019 in words is "one billion, four hundred twenty-two million, four hundred forty-two thousand, nineteen".