4443222 has 64 divisors (see below), whose sum is σ = 11059200. Its totient is φ = 1185408.

The previous prime is 4443221. The next prime is 4443227. The reversal of 4443222 is 2223444.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443221) 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 31 ways as a sum of consecutive naturals, for example, 34923 + ... + 35049.

It is an arithmetic number, because the mean of its divisors is an integer number (172800).

Almost surely, 2^4443222 is an apocalyptic number.

4443222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4443222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5529600).

4443222 is an abundant number, since it is smaller than the sum of its proper divisors (6615978).

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

4443222 is a wasteful number, since it uses less digits than its factorization.

4443222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 156 counting only the distinct ones).

The product of its digits is 1536, while the sum is 21.

The square root of 4443222 is about 2107.8951586832. The cubic root of 4443222 is about 164.3990628702.

Adding to 4443222 its reverse (2223444), we get a palindrome (6666666).

The spelling of 4443222 in words is "four million, four hundred forty-three thousand, two hundred twenty-two".