9228657 has 4 divisors (see below), whose sum is σ = 12304880. Its totient is φ = 6152436.

The previous prime is 9228631. The next prime is 9228689. The reversal of 9228657 is 7568229.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7568229 = 3 ⋅2522743.

It is not a de Polignac number, because 9228657 - 2¹⁰ = 9227633 is a prime.

It is a super-2 number, since 2×9228657² = 170336220047298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9228257) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1538107 + ... + 1538112.

It is an arithmetic number, because the mean of its divisors is an integer number (3076220).

Almost surely, 2^9228657 is an apocalyptic number.

It is an amenable number.

9228657 is a deficient number, since it is larger than the sum of its proper divisors (3076223).

9228657 is a wasteful number, since it uses less digits than its factorization.

9228657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076222.

The product of its digits is 60480, while the sum is 39.

The square root of 9228657 is about 3037.8704712347. The cubic root of 9228657 is about 209.7552477351.

The spelling of 9228657 in words is "nine million, two hundred twenty-eight thousand, six hundred fifty-seven".