22985870340 has 96 divisors (see below), whose sum is σ = 68340464640. Its totient is φ = 5752569856.

The previous prime is 22985870321. The next prime is 22985870371. The reversal of 22985870340 is 4307858922.

It is a self number, because there is not a number n which added to its sum of digits gives 22985870340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328141 + ... + 391979.

It is an arithmetic number, because the mean of its divisors is an integer number (711879840).

Almost surely, 2^22985870340 is an apocalyptic number.

22985870340 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 22985870340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34170232320).

22985870340 is an abundant number, since it is smaller than the sum of its proper divisors (45354594300).

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

22985870340 is a wasteful number, since it uses less digits than its factorization.

22985870340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64221 (or 64219 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 22985870340 in words is "twenty-two billion, nine hundred eighty-five million, eight hundred seventy thousand, three hundred forty".