4442256 has 160 divisors (see below), whose sum is σ = 15832320. Its totient is φ = 1161216.

The previous prime is 4442233. The next prime is 4442261. The reversal of 4442256 is 6522444.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39256 + ... + 39368.

It is an arithmetic number, because the mean of its divisors is an integer number (98952).

Almost surely, 2^4442256 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 4442256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7916160).

4442256 is an abundant number, since it is smaller than the sum of its proper divisors (11390064).

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

4442256 is a wasteful number, since it uses less digits than its factorization.

4442256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 138 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 4442256 is about 2107.6660076967. Note that the first 3 decimals coincide. The cubic root of 4442256 is about 164.3871480176.

The spelling of 4442256 in words is "four million, four hundred forty-two thousand, two hundred fifty-six".