9228747 has 8 divisors (see below), whose sum is σ = 13423680. Its totient is φ = 5593160.

The previous prime is 9228743. The next prime is 9228749. The reversal of 9228747 is 7478229.

9228747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9228747 - 2² = 9228743 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 139797 + ... + 139862.

It is an arithmetic number, because the mean of its divisors is an integer number (1677960).

Almost surely, 2^9228747 is an apocalyptic number.

9228747 is a deficient number, since it is larger than the sum of its proper divisors (4194933).

9228747 is a wasteful number, since it uses less digits than its factorization.

9228747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279673.

The product of its digits is 56448, while the sum is 39.

The square root of 9228747 is about 3037.8852842068. The cubic root of 9228747 is about 209.7559295934.

It can be divided in two parts, 922 and 8747, that added together give a palindrome (9669).

The spelling of 9228747 in words is "nine million, two hundred twenty-eight thousand, seven hundred forty-seven".