422057019 has 16 divisors (see below), whose sum is σ = 571319072. Its totient is φ = 277095168.

The previous prime is 422057003. The next prime is 422057057. The reversal of 422057019 is 910750224.

It is not a de Polignac number, because 422057019 - 2⁴ = 422057003 is a prime.

It is a super-2 number, since 2×422057019² = 356264254574332722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422057819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217377 + ... + 219309.

It is an arithmetic number, because the mean of its divisors is an integer number (35707442).

Almost surely, 2^422057019 is an apocalyptic number.

422057019 is a deficient number, since it is larger than the sum of its proper divisors (149262053).

422057019 is a wasteful number, since it uses less digits than its factorization.

422057019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 422057019 is about 20544.0263580438. The cubic root of 422057019 is about 750.1078476022.

The spelling of 422057019 in words is "four hundred twenty-two million, fifty-seven thousand, nineteen".