22005408356580 has 144 divisors (see below), whose sum is σ = 67754091226752. Its totient is φ = 5332410969600.

The previous prime is 22005408356579. The next prime is 22005408356597. The reversal of 22005408356580 is 8565380450022.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16739865 + ... + 18006495.

It is an arithmetic number, because the mean of its divisors is an integer number (470514522408).

Almost surely, 2^{22005408356580} is an apocalyptic number.

22005408356580 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 22005408356580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33877045613376).

22005408356580 is an abundant number, since it is smaller than the sum of its proper divisors (45748682870172).

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

22005408356580 is a wasteful number, since it uses less digits than its factorization.

22005408356580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269058 (or 1269045 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 22005408356580 in words is "twenty-two trillion, five billion, four hundred eight million, three hundred fifty-six thousand, five hundred eighty".