22285778960 has 40 divisors (see below), whose sum is σ = 52036859160. Its totient is φ = 8876045312.

The previous prime is 22285778909. The next prime is 22285778969. The reversal of 22285778960 is 6987758222.

It can be written as a sum of positive squares in 4 ways, for example, as 997801744 + 21287977216 = 31588^2 + 145904^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 22285778896 and 22285778905.

It is not an unprimeable number, because it can be changed into a prime (22285778969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579155 + ... + 616434.

It is an arithmetic number, because the mean of its divisors is an integer number (1300921479).

Almost surely, 2^22285778960 is an apocalyptic number.

22285778960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22285778960 is an abundant number, since it is smaller than the sum of its proper divisors (29751080200).

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

22285778960 is a wasteful number, since it uses less digits than its factorization.

22285778960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195835 (or 1195829 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 22285778960 in words is "twenty-two billion, two hundred eighty-five million, seven hundred seventy-eight thousand, nine hundred sixty".