422488019 has 2 divisors, whose sum is σ = 422488020. Its totient is φ = 422488018.

The previous prime is 422487977. The next prime is 422488021. The reversal of 422488019 is 910884224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422488019 - 2⁸ = 422487763 is a prime.

It is a super-2 number, since 2×422488019² = 356992252397088722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 422488021, 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 (422488049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211244009 + 211244010.

It is an arithmetic number, because the mean of its divisors is an integer number (211244010).

Almost surely, 2^422488019 is an apocalyptic number.

422488019 is a deficient number, since it is larger than the sum of its proper divisors (1).

422488019 is an equidigital number, since it uses as much as digits as its factorization.

422488019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 422488019 is about 20554.5133486541. The cubic root of 422488019 is about 750.3630947065.

The spelling of 422488019 in words is "four hundred twenty-two million, four hundred eighty-eight thousand, nineteen".