8821322231288 has 80 divisors (see below), whose sum is σ = 19300960947360. Its totient is φ = 3779495596800.

The previous prime is 8821322231287. The next prime is 8821322231327.

8821322231288 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8821322231288² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8821322231287) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69681008 + ... + 69807488.

It is an arithmetic number, because the mean of its divisors is an integer number (241262011842).

Almost surely, 2^{8821322231288} 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 8821322231288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9650480473680).

8821322231288 is an abundant number, since it is smaller than the sum of its proper divisors (10479638716072).

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

8821322231288 is a wasteful number, since it uses less digits than its factorization.

8821322231288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130146 (or 130121 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 50.

The spelling of 8821322231288 in words is "eight trillion, eight hundred twenty-one billion, three hundred twenty-two million, two hundred thirty-one thousand, two hundred eighty-eight".