1442444219 has 2 divisors, whose sum is σ = 1442444220. Its totient is φ = 1442444218.

The previous prime is 1442444183. The next prime is 1442444221. The reversal of 1442444219 is 9124442441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442444219 - 2²⁴ = 1425667003 is a prime.

It is a super-2 number, since 2×1442444219² = 4161290649853039922, which contains 22 as substring.

Together with 1442444221, 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 (1442444819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721222109 + 721222110.

It is an arithmetic number, because the mean of its divisors is an integer number (721222110).

Almost surely, 2^1442444219 is an apocalyptic number.

1442444219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442444219 is an equidigital number, since it uses as much as digits as its factorization.

1442444219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 35.

The square root of 1442444219 is about 37979.5236805308. The cubic root of 1442444219 is about 1129.8817896549.

The spelling of 1442444219 in words is "one billion, four hundred forty-two million, four hundred forty-four thousand, two hundred nineteen".