9225147 has 4 divisors (see below), whose sum is σ = 12300200. Its totient is φ = 6150096.

The previous prime is 9225143. The next prime is 9225179. The reversal of 9225147 is 7415229.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7415229 = 3 ⋅2471743.

It is not a de Polignac number, because 9225147 - 2² = 9225143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9225143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537522 + ... + 1537527.

It is an arithmetic number, because the mean of its divisors is an integer number (3075050).

Almost surely, 2^9225147 is an apocalyptic number.

9225147 is a deficient number, since it is larger than the sum of its proper divisors (3075053).

9225147 is a wasteful number, since it uses less digits than its factorization.

9225147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075052.

The product of its digits is 5040, while the sum is 30.

The square root of 9225147 is about 3037.2927089762. The cubic root of 9225147 is about 209.7286518003.

The spelling of 9225147 in words is "nine million, two hundred twenty-five thousand, one hundred forty-seven".