4423219 has 4 divisors (see below), whose sum is σ = 4656040. Its totient is φ = 4190400.

The previous prime is 4423207. The next prime is 4423231. The reversal of 4423219 is 9123244.

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

It is an interprime number because it is at equal distance from previous prime (4423207) and next prime (4423231).

It is a cyclic number.

It is not a de Polignac number, because 4423219 - 2²¹ = 2326067 is a prime.

It is a super-2 number, since 2×4423219² = 39129732643922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4423193 and 4423202.

It is not an unprimeable number, because it can be changed into a prime (4423249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116382 + ... + 116419.

It is an arithmetic number, because the mean of its divisors is an integer number (1164010).

Almost surely, 2^4423219 is an apocalyptic number.

4423219 is a deficient number, since it is larger than the sum of its proper divisors (232821).

4423219 is a wasteful number, since it uses less digits than its factorization.

4423219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232820.

The product of its digits is 1728, while the sum is 25.

The square root of 4423219 is about 2103.1450259076. The cubic root of 4423219 is about 164.1519882891.

Adding to 4423219 its sum of digits (25), we get a palindrome (4423244).

The spelling of 4423219 in words is "four million, four hundred twenty-three thousand, two hundred nineteen".