1222000000019 has 2 divisors, whose sum is σ = 1222000000020. Its totient is φ = 1222000000018.

The previous prime is 1222000000003. The next prime is 1222000000021. The reversal of 1222000000019 is 9100000002221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222000000019 - 2⁴ = 1222000000003 is a prime.

It is a super-2 number, since 2×1222000000019² (a number of 25 digits) contains 22 as substring.

Together with 1222000000021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1221999999943 and 1222000000006.

It is not a weakly prime, because it can be changed into another prime (1222000000219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611000000009 + 611000000010.

It is an arithmetic number, because the mean of its divisors is an integer number (611000000010).

Almost surely, 2^{1222000000019} is an apocalyptic number.

1222000000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222000000019 is an equidigital number, since it uses as much as digits as its factorization.

1222000000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 1222000000019 in words is "one trillion, two hundred twenty-two billion, nineteen", and thus it is an aban number.