4422231440 has 80 divisors (see below), whose sum is σ = 11304990720. Its totient is φ = 1595381760.

The previous prime is 4422231391. The next prime is 4422231467. The reversal of 4422231440 is 441322244.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4422231440² = 39112261817848947200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91976 + ... + 131544.

It is an arithmetic number, because the mean of its divisors is an integer number (141312384).

Almost surely, 2^4422231440 is an apocalyptic number.

4422231440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4422231440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5652495360).

4422231440 is an abundant number, since it is smaller than the sum of its proper divisors (6882759280).

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

4422231440 is a wasteful number, since it uses less digits than its factorization.

4422231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39720 (or 39714 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4422231440 is about 66499.8604509814. The cubic root of 4422231440 is about 1641.3977079144.

Adding to 4422231440 its reverse (441322244), we get a palindrome (4863553684).

The spelling of 4422231440 in words is "four billion, four hundred twenty-two million, two hundred thirty-one thousand, four hundred forty".