9222144 has 96 divisors (see below), whose sum is σ = 26208000. Its totient is φ = 2875392.

The previous prime is 9222137. The next prime is 9222173. The reversal of 9222144 is 4412229.

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 (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116697 + ... + 116775.

It is an arithmetic number, because the mean of its divisors is an integer number (273000).

Almost surely, 2^9222144 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 9222144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13104000).

9222144 is an abundant number, since it is smaller than the sum of its proper divisors (16985856).

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

9222144 is a wasteful number, since it uses less digits than its factorization.

9222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 103 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 9222144 is about 3036.7983140143. The cubic root of 9222144 is about 209.7058921451.

The spelling of 9222144 in words is "nine million, two hundred twenty-two thousand, one hundred forty-four".