9225578091 has 4 divisors (see below), whose sum is σ = 12300770792. Its totient is φ = 6150385392.

The previous prime is 9225578053. The next prime is 9225578099. The reversal of 9225578091 is 1908755229.

9225578091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9225578091 - 2⁹ = 9225577579 is a prime.

It is a super-2 number, since 2×9225578091² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9225578091.

It is not an unprimeable number, because it can be changed into a prime (9225578099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537596346 + ... + 1537596351.

It is an arithmetic number, because the mean of its divisors is an integer number (3075192698).

Almost surely, 2^9225578091 is an apocalyptic number.

9225578091 is a deficient number, since it is larger than the sum of its proper divisors (3075192701).

9225578091 is a wasteful number, since it uses less digits than its factorization.

9225578091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075192700.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 9225578091 is about 96049.8729358868. The cubic root of 9225578091 is about 2097.3191862179.

The spelling of 9225578091 in words is "nine billion, two hundred twenty-five million, five hundred seventy-eight thousand, ninety-one".