9228540 has 48 divisors (see below), whose sum is σ = 26544672. Its totient is φ = 2393856.

The previous prime is 9228539. The next prime is 9228551. The reversal of 9228540 is 458229.

9228540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 9228498 and 9228507.

It is a congruent number.

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, 142 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (553014).

Almost surely, 2^9228540 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 9228540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13272336).

9228540 is an abundant number, since it is smaller than the sum of its proper divisors (17316132).

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

9228540 is a wasteful number, since it uses less digits than its factorization.

9228540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206 (or 4204 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 9228540 is about 3037.8512142631. The cubic root of 9228540 is about 209.7543613126.

The spelling of 9228540 in words is "nine million, two hundred twenty-eight thousand, five hundred forty".