4442022 has 48 divisors (see below), whose sum is σ = 10640448. Its totient is φ = 1330560.

The previous prime is 4442003. The next prime is 4442027. The reversal of 4442022 is 2202444.

4442022 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4441986 and 4442004.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 9363 + ... + 9825.

It is an arithmetic number, because the mean of its divisors is an integer number (221676).

Almost surely, 2^4442022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4442022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5320224).

4442022 is an abundant number, since it is smaller than the sum of its proper divisors (6198426).

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

4442022 is a wasteful number, since it uses less digits than its factorization.

4442022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4442022 is about 2107.6104953240. The cubic root of 4442022 is about 164.3842615512.

Adding to 4442022 its reverse (2202444), we get a palindrome (6644466).

The spelling of 4442022 in words is "four million, four hundred forty-two thousand, twenty-two".