22144242240140 has 24 divisors (see below), whose sum is σ = 46538488643472. Its totient is φ = 8850919764800.

The previous prime is 22144242240083. The next prime is 22144242240163. The reversal of 22144242240140 is 4104224244122.

It is a junction number, because it is equal to n+sod(n) for n = 22144242240097 and 22144242240106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423543911 + ... + 423596190.

It is an arithmetic number, because the mean of its divisors is an integer number (1939103693478).

Almost surely, 2^{22144242240140} is an apocalyptic number.

22144242240140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22144242240140 is an abundant number, since it is smaller than the sum of its proper divisors (24394246403332).

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

22144242240140 is a wasteful number, since it uses less digits than its factorization.

22144242240140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847141417 (or 847141415 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 22144242240140 its reverse (4104224244122), we get a palindrome (26248466484262).

The spelling of 22144242240140 in words is "twenty-two trillion, one hundred forty-four billion, two hundred forty-two million, two hundred forty thousand, one hundred forty".