22171125888 has 216 divisors, whose sum is σ = 66010636965. Its totient is φ = 7142737920.

The previous prime is 22171125803. The next prime is 22171125919. The reversal of 22171125888 is 88852117122.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 15833692224 + 6337433664 = 125832^2 + 79608^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105288.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 207206731 + ... + 207206837.

Almost surely, 2^22171125888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22171125888

22171125888 is an abundant number, since it is smaller than the sum of its proper divisors (43839511077).

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

22171125888 is an equidigital number, since it uses as much as digits as its factorization.

22171125888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 153 counting only the distinct ones).

The product of its digits is 143360, while the sum is 45.

The spelling of 22171125888 in words is "twenty-two billion, one hundred seventy-one million, one hundred twenty-five thousand, eight hundred eighty-eight".