9228081 has 8 divisors (see below), whose sum is σ = 12320704. Its totient is φ = 6143760.

The previous prime is 9228073. The next prime is 9228097. The reversal of 9228081 is 1808229.

9228081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9228081 - 2³ = 9228073 is a prime.

It is a super-2 number, since 2×9228081² = 170314957885122, which contains 22 as substring.

It is a Duffinian number.

9228081 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9228031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311 + ... + 4491.

It is an arithmetic number, because the mean of its divisors is an integer number (1540088).

Almost surely, 2^9228081 is an apocalyptic number.

It is an amenable number.

9228081 is a deficient number, since it is larger than the sum of its proper divisors (3092623).

9228081 is a wasteful number, since it uses less digits than its factorization.

9228081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 9228081 is about 3037.7756665034. The cubic root of 9228081 is about 209.7508837365.

The spelling of 9228081 in words is "nine million, two hundred twenty-eight thousand, eighty-one".