9223213 has 4 divisors (see below), whose sum is σ = 9520768. Its totient is φ = 8925660.

The previous prime is 9223211. The next prime is 9223229. The reversal of 9223213 is 3123229.

9223213 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3123229 = 433 ⋅7213.

It is a cyclic number.

It is not a de Polignac number, because 9223213 - 2¹ = 9223211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9223211) 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, 148731 + ... + 148792.

It is an arithmetic number, because the mean of its divisors is an integer number (2380192).

Almost surely, 2^9223213 is an apocalyptic number.

It is an amenable number.

9223213 is a deficient number, since it is larger than the sum of its proper divisors (297555).

9223213 is a wasteful number, since it uses less digits than its factorization.

9223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297554.

The product of its digits is 648, while the sum is 22.

The square root of 9223213 is about 3036.9743166514. The cubic root of 9223213 is about 209.7139946333.

The spelling of 9223213 in words is "nine million, two hundred twenty-three thousand, two hundred thirteen".