422419 has 4 divisors (see below), whose sum is σ = 423720. Its totient is φ = 421120.

The previous prime is 422407. The next prime is 422431. The reversal of 422419 is 914224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (422407) and next prime (422431).

It is a cyclic number.

It is not a de Polignac number, because 422419 - 2⁷ = 422291 is a prime.

It is a super-2 number, since 2×422419² = 356875623122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422419.

It is not an unprimeable number, because it can be changed into a prime (422459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (105930).

2⁴²²⁴¹⁹ is an apocalyptic number.

422419 is a deficient number, since it is larger than the sum of its proper divisors (1301).

422419 is an equidigital number, since it uses as much as digits as its factorization.

422419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its digits is 576, while the sum is 22.

The square root of 422419 is about 649.9376893211. The cubic root of 422419 is about 75.0322231906.

It can be divided in two parts, 422 and 419, that added together give a square (841 = 29²).

The spelling of 422419 in words is "four hundred twenty-two thousand, four hundred nineteen".