4224432 has 80 divisors (see below), whose sum is σ = 11999232. Its totient is φ = 1274880.

The previous prime is 4224427. The next prime is 4224439. The reversal of 4224432 is 2344224.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4224399 and 4224408.

It is not an unprimeable number, because it can be changed into a prime (4224439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25213 + ... + 25379.

Almost surely, 2^4224432 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 4224432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5999616).

4224432 is an abundant number, since it is smaller than the sum of its proper divisors (7774800).

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

4224432 is a wasteful number, since it uses less digits than its factorization.

4224432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 220 counting only the distinct ones).

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

The square root of 4224432 is about 2055.3423072569. The cubic root of 4224432 is about 161.6551114189.

Adding to 4224432 its reverse (2344224), we get a palindrome (6568656).

It can be divided in two parts, 4224 and 432, that added together give a triangular number (4656 = T₉₆).

The spelling of 4224432 in words is "four million, two hundred twenty-four thousand, four hundred thirty-two".