9228744 has 48 divisors (see below), whose sum is σ = 28566720. Its totient is φ = 2636640.

The previous prime is 9228743. The next prime is 9228749. The reversal of 9228744 is 4478229.

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

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 9 + 2⁷ + 2²³ + 8 + 7⁷ + 4³ + 4⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 9228699 and 9228708.

It is not an unprimeable number, because it can be changed into a prime (9228743) 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, 8652 + ... + 9659.

It is an arithmetic number, because the mean of its divisors is an integer number (595140).

Almost surely, 2^9228744 is an apocalyptic number.

It is an amenable number.

9228744 is an abundant number, since it is smaller than the sum of its proper divisors (19337976).

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

9228744 is a wasteful number, since it uses less digits than its factorization.

9228744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18330 (or 18323 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 9228744 is about 3037.8847904422. The cubic root of 9228744 is about 209.7559068649.

Adding to 9228744 its product of digits (32256), we get a cube (9261000 = 210³).

The spelling of 9228744 in words is "nine million, two hundred twenty-eight thousand, seven hundred forty-four".