22141125500 has 96 divisors (see below), whose sum is σ = 52343299008. Its totient is φ = 8133216000.

The previous prime is 22141125473. The next prime is 22141125529. The reversal of 22141125500 is 552114122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1271855 + ... + 1289145.

It is an arithmetic number, because the mean of its divisors is an integer number (545242698).

Almost surely, 2^22141125500 is an apocalyptic number.

22141125500 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 22141125500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26171649504).

22141125500 is an abundant number, since it is smaller than the sum of its proper divisors (30202173508).

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

22141125500 is a wasteful number, since it uses less digits than its factorization.

22141125500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17520 (or 17508 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 22141125500 its reverse (552114122), we get a palindrome (22693239622).

The spelling of 22141125500 in words is "twenty-two billion, one hundred forty-one million, one hundred twenty-five thousand, five hundred".