4224024 has 144 divisors (see below), whose sum is σ = 14367600. Its totient is φ = 1096704.

The previous prime is 4223993. The next prime is 4224037. The reversal of 4224024 is 4204224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4223988 and 4224006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 145642 + ... + 145670.

It is an arithmetic number, because the mean of its divisors is an integer number (99775).

Almost surely, 2^4224024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4224024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7183800).

4224024 is an abundant number, since it is smaller than the sum of its proper divisors (10143576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4224024 is a wasteful number, since it uses less digits than its factorization.

4224024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4224024 is about 2055.2430513202. The cubic root of 4224024 is about 161.6499069789.

Adding to 4224024 its reverse (4204224), we get a palindrome (8428248).

The spelling of 4224024 in words is "four million, two hundred twenty-four thousand, twenty-four".