4424442 has 32 divisors (see below), whose sum is σ = 9884160. Its totient is φ = 1308720.

The previous prime is 4424429. The next prime is 4424447. The reversal of 4424442 is 2444244.

It is a super-2 number, since 2×4424442² = 39151374022728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4424447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2059 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (308880).

Almost surely, 2^4424442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4424442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4942080).

4424442 is an abundant number, since it is smaller than the sum of its proper divisors (5459718).

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

4424442 is a wasteful number, since it uses less digits than its factorization.

4424442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618.

The product of its digits is 4096, while the sum is 24.

The square root of 4424442 is about 2103.4357608446. The cubic root of 4424442 is about 164.1671159885.

Adding to 4424442 its reverse (2444244), we get a palindrome (6868686).

It can be divided in two parts, 442 and 4442, that added together give a palindrome (4884).

The spelling of 4424442 in words is "four million, four hundred twenty-four thousand, four hundred forty-two".