22143222101140 has 72 divisors (see below), whose sum is σ = 54098128840392. Its totient is φ = 7591203889920.

The previous prime is 22143222101111. The next prime is 22143222101149. The reversal of 22143222101140 is 4110122234122.

It can be written as a sum of positive squares in 4 ways, for example, as 3841270727056 + 18301951374084 = 1959916^2 + 4278078^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143222101149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8736874 + ... + 10982686.

It is an arithmetic number, because the mean of its divisors is an integer number (751362900561).

Almost surely, 2^{22143222101140} is an apocalyptic number.

22143222101140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22143222101140 is an abundant number, since it is smaller than the sum of its proper divisors (31954906739252).

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

22143222101140 is a wasteful number, since it uses less digits than its factorization.

22143222101140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255897 (or 2255888 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 22143222101140 its reverse (4110122234122), we get a palindrome (26253344335262).

The spelling of 22143222101140 in words is "twenty-two trillion, one hundred forty-three billion, two hundred twenty-two million, one hundred one thousand, one hundred forty".