4433220 has 72 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 1074240.

The previous prime is 4433203. The next prime is 4433237. The reversal of 4433220 is 223344.

4433220 is a `hidden beast` number, since 443 + 3 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (4433203) and next prime (4433237).

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

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4433193 and 4433202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 861 + ... + 3099.

It is an arithmetic number, because the mean of its divisors is an integer number (203840).

Almost surely, 2^4433220 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 4433220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7338240).

4433220 is an abundant number, since it is smaller than the sum of its proper divisors (10243260).

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

4433220 is a wasteful number, since it uses less digits than its factorization.

4433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4433220 is about 2105.5213131194. The cubic root of 4433220 is about 164.2756123053.

Adding to 4433220 its reverse (223344), we get a palindrome (4656564).

It can be divided in two parts, 443 and 3220, that added together give a palindrome (3663).

The spelling of 4433220 in words is "four million, four hundred thirty-three thousand, two hundred twenty".