22144330120 has 128 divisors (see below), whose sum is σ = 55661437440. Its totient is φ = 7859773440.

The previous prime is 22144330079. The next prime is 22144330123. The reversal of 22144330120 is 2103344122.

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 = 22144330091 and 22144330100.

It is not an unprimeable number, because it can be changed into a prime (22144330123) 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, 8953204 + ... + 8955676.

It is an arithmetic number, because the mean of its divisors is an integer number (434854980).

Almost surely, 2^22144330120 is an apocalyptic number.

22144330120 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 22144330120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27830718720).

22144330120 is an abundant number, since it is smaller than the sum of its proper divisors (33517107320).

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

22144330120 is a wasteful number, since it uses less digits than its factorization.

22144330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22144330120 its reverse (2103344122), we get a palindrome (24247674242).

It can be divided in two parts, 2214 and 4330120, that added together give a palindrome (4332334).

The spelling of 22144330120 in words is "twenty-two billion, one hundred forty-four million, three hundred thirty thousand, one hundred twenty".