22871285920 has 192 divisors, whose sum is σ = 65706391296. Its totient is φ = 7344046080.

The previous prime is 22871285917. The next prime is 22871285977. The reversal of 22871285920 is 2958217822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4014594 + ... + 4020286.

It is an arithmetic number, because the mean of its divisors is an integer number (342220788).

Almost surely, 2^22871285920 is an apocalyptic number.

22871285920 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 22871285920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32853195648).

22871285920 is an abundant number, since it is smaller than the sum of its proper divisors (42835105376).

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

22871285920 is a wasteful number, since it uses less digits than its factorization.

22871285920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943 (or 5935 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 22871285920 in words is "twenty-two billion, eight hundred seventy-one million, two hundred eighty-five thousand, nine hundred twenty".