422019 has 12 divisors (see below), whose sum is σ = 656656. Its totient is φ = 259632.

The previous prime is 421997. The next prime is 422029. The reversal of 422019 is 910224.

It is not a de Polignac number, because 422019 - 2⁵ = 421987 is a prime.

It is a super-2 number, since 2×422019² = 356200072722, which contains 22 as substring.

422019 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 421992 and 422010.

It is not an unprimeable number, because it can be changed into a prime (422029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1687 + ... + 1920.

2⁴²²⁰¹⁹ is an apocalyptic number.

422019 is a deficient number, since it is larger than the sum of its proper divisors (234637).

422019 is a wasteful number, since it uses less digits than its factorization.

422019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3623 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 422019 is about 649.6298946323. The cubic root of 422019 is about 75.0085323626.

Subtracting from 422019 its product of nonzero digits (144), we obtain a cube (421875 = 75³).

The spelling of 422019 in words is "four hundred twenty-two thousand, nineteen".