22144331424 has 24 divisors (see below), whose sum is σ = 58128870240. Its totient is φ = 7381443776.

The previous prime is 22144331411. The next prime is 22144331449. The reversal of 22144331424 is 42413344122.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22144331391 and 22144331400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115334964 + ... + 115335155.

It is an arithmetic number, because the mean of its divisors is an integer number (2422036260).

Almost surely, 2^22144331424 is an apocalyptic number.

22144331424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22144331424 is an abundant number, since it is smaller than the sum of its proper divisors (35984538816).

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

22144331424 is a wasteful number, since it uses less digits than its factorization.

22144331424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230670132 (or 230670124 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 22144331424 its reverse (42413344122), we get a palindrome (64557675546).

The spelling of 22144331424 in words is "twenty-two billion, one hundred forty-four million, three hundred thirty-one thousand, four hundred twenty-four".