422775019 has 2 divisors, whose sum is σ = 422775020. Its totient is φ = 422775018.

The previous prime is 422774981. The next prime is 422775037. The reversal of 422775019 is 910577224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422775019 - 2²¹ = 420677867 is a prime.

It is a super-2 number, since 2×422775019² = 357477433380900722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422775049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211387509 + 211387510.

It is an arithmetic number, because the mean of its divisors is an integer number (211387510).

Almost surely, 2^422775019 is an apocalyptic number.

422775019 is a deficient number, since it is larger than the sum of its proper divisors (1).

422775019 is an equidigital number, since it uses as much as digits as its factorization.

422775019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 422775019 is about 20561.4935984719. The cubic root of 422775019 is about 750.5329657662.

The spelling of 422775019 in words is "four hundred twenty-two million, seven hundred seventy-five thousand, nineteen".