22125404560 has 80 divisors (see below), whose sum is σ = 58895623296. Its totient is φ = 7572271104.

The previous prime is 22125404557. The next prime is 22125404597. The reversal of 22125404560 is 6540452122.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280192 + ... + 350368.

Almost surely, 2^22125404560 is an apocalyptic number.

22125404560 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 22125404560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29447811648).

22125404560 is an abundant number, since it is smaller than the sum of its proper divisors (36770218736).

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

22125404560 is a wasteful number, since it uses less digits than its factorization.

22125404560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70760 (or 70754 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 22125404560 its reverse (6540452122), we get a palindrome (28665856682).

The spelling of 22125404560 in words is "twenty-two billion, one hundred twenty-five million, four hundred four thousand, five hundred sixty".