22244320120 has 128 divisors (see below), whose sum is σ = 55190419200. Its totient is φ = 8001792000.

The previous prime is 22244320081. The next prime is 22244320127. The reversal of 22244320120 is 2102344222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22244320091 and 22244320100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244320127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24524707 + ... + 24525613.

It is an arithmetic number, because the mean of its divisors is an integer number (431175150).

Almost surely, 2^22244320120 is an apocalyptic number.

22244320120 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 22244320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27595209600).

22244320120 is an abundant number, since it is smaller than the sum of its proper divisors (32946099080).

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

22244320120 is a wasteful number, since it uses less digits than its factorization.

22244320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22244320120 its reverse (2102344222), we get a palindrome (24346664342).

The spelling of 22244320120 in words is "twenty-two billion, two hundred forty-four million, three hundred twenty thousand, one hundred twenty".