4224423 has 8 divisors (see below), whose sum is σ = 6437248. Its totient is φ = 2413944.

The previous prime is 4224397. The next prime is 4224427. The reversal of 4224423 is 3244224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4224423 - 2⁵ = 4224391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 201163 = 4224423 / (4 + 2 + 2 + 4 + 4 + 2 + 3).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 2⁷ + 2¹¹ + 4³ + 4¹¹ + 2¹³ + 3⁹ .

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 4224423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100561 + ... + 100602.

It is an arithmetic number, because the mean of its divisors is an integer number (804656).

Almost surely, 2^4224423 is an apocalyptic number.

4224423 is a deficient number, since it is larger than the sum of its proper divisors (2212825).

4224423 is a wasteful number, since it uses less digits than its factorization.

4224423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201173.

The product of its digits is 1536, while the sum is 21.

The square root of 4224423 is about 2055.3401178394. The cubic root of 4224423 is about 161.6549966187.

Adding to 4224423 its reverse (3244224), we get a palindrome (7468647).

The spelling of 4224423 in words is "four million, two hundred twenty-four thousand, four hundred twenty-three".