22144224544 has 48 divisors (see below), whose sum is σ = 48464559360. Its totient is φ = 9890714880.

The previous prime is 22144224541. The next prime is 22144224547. The reversal of 22144224544 is 44542244122.

It is an interprime number because it is at equal distance from previous prime (22144224541) and next prime (22144224547).

It is not an unprimeable number, because it can be changed into a prime (22144224541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845674 + ... + 871465.

It is an arithmetic number, because the mean of its divisors is an integer number (1009678320).

Almost surely, 2^22144224544 is an apocalyptic number.

It is an amenable number.

22144224544 is an abundant number, since it is smaller than the sum of its proper divisors (26320334816).

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

22144224544 is a wasteful number, since it uses less digits than its factorization.

22144224544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717193 (or 1717185 counting only the distinct ones).

The product of its digits is 81920, while the sum is 34.

Adding to 22144224544 its reverse (44542244122), we get a palindrome (66686468666).

The spelling of 22144224544 in words is "twenty-two billion, one hundred forty-four million, two hundred twenty-four thousand, five hundred forty-four".