422319 has 4 divisors (see below), whose sum is σ = 563096. Its totient is φ = 281544.

The previous prime is 422311. The next prime is 422321. The reversal of 422319 is 913224.

422319 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 422319 - 2³ = 422311 is a prime.

It is a super-2 number, since 2×422319² = 356706675522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

422319 is strictly pandigital in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 422295 and 422304.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422319.

It is not an unprimeable number, because it can be changed into a prime (422311) 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, 70384 + ... + 70389.

It is an arithmetic number, because the mean of its divisors is an integer number (140774).

2⁴²²³¹⁹ is an apocalyptic number.

422319 is a deficient number, since it is larger than the sum of its proper divisors (140777).

422319 is a wasteful number, since it uses less digits than its factorization.

422319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140776.

The product of its digits is 432, while the sum is 21.

The square root of 422319 is about 649.8607543159. The cubic root of 422319 is about 75.0263018862.

It can be divided in two parts, 422 and 319, that added together give a triangular number (741 = T₃₈).

The spelling of 422319 in words is "four hundred twenty-two thousand, three hundred nineteen".