22081562880 has 576 divisors, whose sum is σ = 82633850880. Its totient is φ = 4976640000.

The previous prime is 22081562879. The next prime is 22081562891. The reversal of 22081562880 is 8826518022.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29402505 + ... + 29403255.

Almost surely, 2^22081562880 is an apocalyptic number.

22081562880 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 22081562880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41316925440).

22081562880 is an abundant number, since it is smaller than the sum of its proper divisors (60552288000).

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

22081562880 is a wasteful number, since it uses less digits than its factorization.

22081562880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 22081562880 in words is "twenty-two billion, eighty-one million, five hundred sixty-two thousand, eight hundred eighty".