4421056 has 28 divisors (see below), whose sum is σ = 9014968. Its totient is φ = 2149632.

The previous prime is 4421041. The next prime is 4421063. The reversal of 4421056 is 6501244.

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, 1435 + ... + 3301.

Almost surely, 2^4421056 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 4421056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4507484).

4421056 is an abundant number, since it is smaller than the sum of its proper divisors (4593912).

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

4421056 is a wasteful number, since it uses less digits than its factorization.

4421056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4421056 is about 2102.6307331531. The cubic root of 4421056 is about 164.1252265844.

The spelling of 4421056 in words is "four million, four hundred twenty-one thousand, fifty-six".