9228989387424 has 96 divisors (see below), whose sum is σ = 25668395544960. Its totient is φ = 2893423951872.

The previous prime is 9228989387389. The next prime is 9228989387437. The reversal of 9228989387424 is 4247839898229.

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

It is a super-2 number, since 2×9228989387424² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531117 + ... + 4328979.

It is an arithmetic number, because the mean of its divisors is an integer number (267379120260).

Almost surely, 2^{9228989387424} 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 9228989387424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12834197772480).

9228989387424 is an abundant number, since it is smaller than the sum of its proper divisors (16439406157536).

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

9228989387424 is a wasteful number, since it uses less digits than its factorization.

9228989387424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799382 (or 3799374 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 75.

The spelling of 9228989387424 in words is "nine trillion, two hundred twenty-eight billion, nine hundred eighty-nine million, three hundred eighty-seven thousand, four hundred twenty-four".