9225791 has 4 divisors (see below), whose sum is σ = 9284712. Its totient is φ = 9166872.

The previous prime is 9225761. The next prime is 9225803. The reversal of 9225791 is 1975229.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1975229 = 619 ⋅3191.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9225791 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 2⁹ + 2²³ + 5 + 7⁷ + 9⁴ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9225731) 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, 29225 + ... + 29538.

It is an arithmetic number, because the mean of its divisors is an integer number (2321178).

Almost surely, 2^9225791 is an apocalyptic number.

9225791 is a deficient number, since it is larger than the sum of its proper divisors (58921).

9225791 is a wasteful number, since it uses less digits than its factorization.

9225791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58920.

The product of its digits is 11340, while the sum is 35.

The square root of 9225791 is about 3037.3987225914. The cubic root of 9225791 is about 209.7335320155.

The spelling of 9225791 in words is "nine million, two hundred twenty-five thousand, seven hundred ninety-one".