9709223 has 4 divisors (see below), whose sum is σ = 9738888. Its totient is φ = 9679560.

The previous prime is 9709199. The next prime is 9709237. The reversal of 9709223 is 3229079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3229079 = 7 ⋅461297.

It is a cyclic number.

It is not a de Polignac number, because 9709223 - 2¹⁸ = 9447079 is a prime.

It is a super-2 number, since 2×9709223² = 188538022527458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9709223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9709253) 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 3 ways as a sum of consecutive naturals, for example, 14336 + ... + 14997.

It is an arithmetic number, because the mean of its divisors is an integer number (2434722).

Almost surely, 2^9709223 is an apocalyptic number.

9709223 is a deficient number, since it is larger than the sum of its proper divisors (29665).

9709223 is a wasteful number, since it uses less digits than its factorization.

9709223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29664.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 9709223 is about 3115.9626120992. The cubic root of 9709223 is about 213.3346953581.

The spelling of 9709223 in words is "nine million, seven hundred nine thousand, two hundred twenty-three".