9223147 has 4 divisors (see below), whose sum is σ = 9258480. Its totient is φ = 9187816.

The previous prime is 9223141. The next prime is 9223157. The reversal of 9223147 is 7413229.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9223147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9223141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17272 + ... + 17797.

It is an arithmetic number, because the mean of its divisors is an integer number (2314620).

Almost surely, 2^9223147 is an apocalyptic number.

9223147 is a deficient number, since it is larger than the sum of its proper divisors (35333).

9223147 is a wasteful number, since it uses less digits than its factorization.

9223147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35332.

The product of its digits is 3024, while the sum is 28.

The square root of 9223147 is about 3036.9634505539. The cubic root of 9223147 is about 209.7134944042.

The spelling of 9223147 in words is "nine million, two hundred twenty-three thousand, one hundred forty-seven".