4224223 has 4 divisors (see below), whose sum is σ = 4295880. Its totient is φ = 4152568.

The previous prime is 4224197. The next prime is 4224229. The reversal of 4224223 is 3224224.

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 4224223 - 2²¹ = 2127071 is a prime.

It is a d-powerful number, because it can be written as 4 + 2³ + 2¹³ + 4⁴ + 2¹⁹ + 2²¹ + 3¹³ .

It is a Duffinian number.

4224223 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4224223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224229) 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, 35740 + ... + 35857.

It is an arithmetic number, because the mean of its divisors is an integer number (1073970).

Almost surely, 2^4224223 is an apocalyptic number.

4224223 is a deficient number, since it is larger than the sum of its proper divisors (71657).

4224223 is an equidigital number, since it uses as much as digits as its factorization.

4224223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71656.

The product of its digits is 768, while the sum is 19.

The square root of 4224223 is about 2055.2914635156. The cubic root of 4224223 is about 161.6524454608.

Adding to 4224223 its reverse (3224224), we get a palindrome (7448447).

Subtracting from 4224223 its reverse (3224224), we obtain a palindrome (999999).

The spelling of 4224223 in words is "four million, two hundred twenty-four thousand, two hundred twenty-three".