22125043144220 has 12 divisors (see below), whose sum is σ = 46462590602904. Its totient is φ = 8850017257680.

The previous prime is 22125043144207. The next prime is 22125043144229. The reversal of 22125043144220 is 2244134052122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22125043144229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553126078586 + ... + 553126078625.

It is an arithmetic number, because the mean of its divisors is an integer number (3871882550242).

Almost surely, 2^{22125043144220} is an apocalyptic number.

22125043144220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22125043144220 is an abundant number, since it is smaller than the sum of its proper divisors (24337547458684).

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

22125043144220 is a wasteful number, since it uses less digits than its factorization.

22125043144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106252157220 (or 1106252157218 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 22125043144220 its reverse (2244134052122), we get a palindrome (24369177196342).

The spelling of 22125043144220 in words is "twenty-two trillion, one hundred twenty-five billion, forty-three million, one hundred forty-four thousand, two hundred twenty".