22008855960 has 576 divisors, whose sum is σ = 92962658880. Its totient is φ = 4396861440.

The previous prime is 22008855959. The next prime is 22008855971. The reversal of 22008855960 is 6955880022.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11825430 + ... + 11827290.

It is an arithmetic number, because the mean of its divisors is an integer number (161393505).

Almost surely, 2^22008855960 is an apocalyptic number.

22008855960 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 22008855960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46481329440).

22008855960 is an abundant number, since it is smaller than the sum of its proper divisors (70953802920).

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

22008855960 is a wasteful number, since it uses less digits than its factorization.

22008855960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 22008855960 in words is "twenty-two billion, eight million, eight hundred fifty-five thousand, nine hundred sixty".