8908221312 has 96 divisors (see below), whose sum is σ = 25682206680. Its totient is φ = 2963862528.

The previous prime is 8908221277. The next prime is 8908221313. The reversal of 8908221312 is 2131228098.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8908221313) 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, 634723 + ... + 648605.

Almost surely, 2^8908221312 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 8908221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12841103340).

8908221312 is an abundant number, since it is smaller than the sum of its proper divisors (16773985368).

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

8908221312 is a wasteful number, since it uses less digits than its factorization.

8908221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460 (or 14445 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8908221312 is about 94383.3741291336. The cubic root of 8908221312 is about 2072.9890082304.

The spelling of 8908221312 in words is "eight billion, nine hundred eight million, two hundred twenty-one thousand, three hundred twelve".