9253221 has 8 divisors (see below), whose sum is σ = 12735744. Its totient is φ = 5969760.

The previous prime is 9253207. The next prime is 9253243. The reversal of 9253221 is 1223529.

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

It is not a de Polignac number, because 9253221 - 2¹¹ = 9251173 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9253191 and 9253200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9255221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49656 + ... + 49841.

It is an arithmetic number, because the mean of its divisors is an integer number (1591968).

Almost surely, 2^9253221 is an apocalyptic number.

It is an amenable number.

9253221 is a deficient number, since it is larger than the sum of its proper divisors (3482523).

9253221 is a wasteful number, since it uses less digits than its factorization.

9253221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99531.

The product of its digits is 1080, while the sum is 24.

The square root of 9253221 is about 3041.9107481976. The cubic root of 9253221 is about 209.9411853434.

The spelling of 9253221 in words is "nine million, two hundred fifty-three thousand, two hundred twenty-one".