9271229 has 8 divisors (see below), whose sum is σ = 10209888. Its totient is φ = 8348560.

The previous prime is 9271217. The next prime is 9271253. The reversal of 9271229 is 9221729.

9271229 is digitally balanced in base 3, 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 9271229 - 2⁸ = 9270973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9271195 and 9271204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9271279) 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, 2762 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (1276236).

Almost surely, 2^9271229 is an apocalyptic number.

It is an amenable number.

9271229 is a deficient number, since it is larger than the sum of its proper divisors (938659).

9271229 is a wasteful number, since it uses less digits than its factorization.

9271229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7995.

The product of its digits is 4536, while the sum is 32.

The square root of 9271229 is about 3044.8692911191. The cubic root of 9271229 is about 210.0772882559.

The spelling of 9271229 in words is "nine million, two hundred seventy-one thousand, two hundred twenty-nine".