4442028 has 12 divisors (see below), whose sum is σ = 10364760. Its totient is φ = 1480672.

The previous prime is 4442027. The next prime is 4442041. The reversal of 4442028 is 8202444.

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

It is a super-2 number, since 2×4442028² = 39463225505568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4441989 and 4442007.

It is not an unprimeable number, because it can be changed into a prime (4442027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185073 + ... + 185096.

It is an arithmetic number, because the mean of its divisors is an integer number (863730).

Almost surely, 2^4442028 is an apocalyptic number.

It is an amenable number.

4442028 is an abundant number, since it is smaller than the sum of its proper divisors (5922732).

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

4442028 is a wasteful number, since it uses less digits than its factorization.

4442028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370176 (or 370174 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4442028 is about 2107.6119187365. The cubic root of 4442028 is about 164.3843355645.

The spelling of 4442028 in words is "four million, four hundred forty-two thousand, twenty-eight".