5220444 has 12 divisors (see below), whose sum is σ = 12181064. Its totient is φ = 1740144.

The previous prime is 5220427. The next prime is 5220463. The reversal of 5220444 is 4440225.

5220444 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 5220444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217507 + ... + 217530.

Almost surely, 2^5220444 is an apocalyptic number.

It is an amenable number.

5220444 is an abundant number, since it is smaller than the sum of its proper divisors (6960620).

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

5220444 is a wasteful number, since it uses less digits than its factorization.

5220444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435044 (or 435042 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 5220444 is about 2284.8290964534. The cubic root of 5220444 is about 173.4745676636.

Adding to 5220444 its reverse (4440225), we get a palindrome (9660669).

The spelling of 5220444 in words is "five million, two hundred twenty thousand, four hundred forty-four".