22788569088 has 144 divisors (see below), whose sum is σ = 69690151440. Its totient is φ = 7149256704.

The previous prime is 22788569081. The next prime is 22788569093. The reversal of 22788569088 is 88096588722.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22788569081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276981 + ... + 349707.

It is an arithmetic number, because the mean of its divisors is an integer number (483959385).

Almost surely, 2^22788569088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22788569088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34845075720).

22788569088 is an abundant number, since it is smaller than the sum of its proper divisors (46901582352).

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

22788569088 is a wasteful number, since it uses less digits than its factorization.

22788569088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72772 (or 72749 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The spelling of 22788569088 in words is "twenty-two billion, seven hundred eighty-eight million, five hundred sixty-nine thousand, eighty-eight".