2142220019 has 2 divisors, whose sum is σ = 2142220020. Its totient is φ = 2142220018.

The previous prime is 2142220007. The next prime is 2142220039. The reversal of 2142220019 is 9100222412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142220019 - 2²⁰ = 2141171443 is a prime.

It is a super-2 number, since 2×2142220019² = 9178213219608720722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2142219976 and 2142220003.

It is not a weakly prime, because it can be changed into another prime (2142220039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071110009 + 1071110010.

It is an arithmetic number, because the mean of its divisors is an integer number (1071110010).

Almost surely, 2^2142220019 is an apocalyptic number.

2142220019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142220019 is an equidigital number, since it uses as much as digits as its factorization.

2142220019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2142220019 is about 46284.1227528404. The cubic root of 2142220019 is about 1289.1042033193.

The spelling of 2142220019 in words is "two billion, one hundred forty-two million, two hundred twenty thousand, nineteen".