9228660 has 144 divisors (see below), whose sum is σ = 31179456. Its totient is φ = 2032128.

The previous prime is 9228631. The next prime is 9228689. The reversal of 9228660 is 668229.

It is an interprime number because it is at equal distance from previous prime (9228631) and next prime (9228689).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126384 + ... + 126456.

It is an arithmetic number, because the mean of its divisors is an integer number (216524).

Almost surely, 2^9228660 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 9228660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15589728).

9228660 is an abundant number, since it is smaller than the sum of its proper divisors (21950796).

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

9228660 is a wasteful number, since it uses less digits than its factorization.

9228660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 9228660 is about 3037.8709650016. The cubic root of 9228660 is about 209.7552704637.

The spelling of 9228660 in words is "nine million, two hundred twenty-eight thousand, six hundred sixty".