22125530000 has 200 divisors, whose sum is σ = 62011150080. Its totient is φ = 7488000000.

The previous prime is 22125529999. The next prime is 22125530057. The reversal of 22125530000 is 3552122.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5528000 + ... + 5532000.

Almost surely, 2^22125530000 is an apocalyptic number.

22125530000 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 22125530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31005575040).

22125530000 is an abundant number, since it is smaller than the sum of its proper divisors (39885620080).

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

22125530000 is an equidigital number, since it uses as much as digits as its factorization.

22125530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4094 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

It can be divided in two parts, 2212 and 5530000, that multiplied together give a square (12232360000 = 110600²).

The spelling of 22125530000 in words is "twenty-two billion, one hundred twenty-five million, five hundred thirty thousand".