22243131120 has 160 divisors (see below), whose sum is σ = 78904235520. Its totient is φ = 5077693440.

The previous prime is 22243131103. The next prime is 22243131139. The reversal of 22243131120 is 2113134222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1384735 + ... + 1400705.

It is an arithmetic number, because the mean of its divisors is an integer number (493151472).

Almost surely, 2^22243131120 is an apocalyptic number.

22243131120 is a gapful number since it is divisible by the number (20) 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 22243131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39452117760).

22243131120 is an abundant number, since it is smaller than the sum of its proper divisors (56661104400).

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

22243131120 is a wasteful number, since it uses less digits than its factorization.

22243131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16823 (or 16817 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22243131120 its reverse (2113134222), we get a palindrome (24356265342).

The spelling of 22243131120 in words is "twenty-two billion, two hundred forty-three million, one hundred thirty-one thousand, one hundred twenty".