4224523 has 4 divisors (see below), whose sum is σ = 4242888. Its totient is φ = 4206160.

The previous prime is 4224511. The next prime is 4224529. The reversal of 4224523 is 3254224.

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

It is a cyclic number.

It is not a de Polignac number, because 4224523 - 2⁵ = 4224491 is a prime.

It is a super-3 number, since 3×4224523³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4224494 and 4224503.

It is not an unprimeable number, because it can be changed into a prime (4224529) 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, 8833 + ... + 9298.

It is an arithmetic number, because the mean of its divisors is an integer number (1060722).

Almost surely, 2^4224523 is an apocalyptic number.

4224523 is a deficient number, since it is larger than the sum of its proper divisors (18365).

4224523 is a wasteful number, since it uses less digits than its factorization.

4224523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18364.

The product of its digits is 1920, while the sum is 22.

The square root of 4224523 is about 2055.3644445694. The cubic root of 4224523 is about 161.6562721674.

Adding to 4224523 its reverse (3254224), we get a palindrome (7478747).

Subtracting from 4224523 its reverse (3254224), we obtain a cube (970299 = 99³).

The spelling of 4224523 in words is "four million, two hundred twenty-four thousand, five hundred twenty-three".