9271223 has 4 divisors (see below), whose sum is σ = 9984408. Its totient is φ = 8558040.

The previous prime is 9271217. The next prime is 9271253. The reversal of 9271223 is 3221729.

9271223 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 3221729 = 7 ⋅460247.

It is a cyclic number.

It is not a de Polignac number, because 9271223 - 2¹⁰ = 9270199 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9271192 and 9271201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9271253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356573 + ... + 356598.

It is an arithmetic number, because the mean of its divisors is an integer number (2496102).

Almost surely, 2^9271223 is an apocalyptic number.

9271223 is a deficient number, since it is larger than the sum of its proper divisors (713185).

9271223 is a wasteful number, since it uses less digits than its factorization.

9271223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713184.

The product of its digits is 1512, while the sum is 26.

The square root of 9271223 is about 3044.8683058550. The cubic root of 9271223 is about 210.0772429377.

The spelling of 9271223 in words is "nine million, two hundred seventy-one thousand, two hundred twenty-three".