23316224 has 18 divisors (see below), whose sum is σ = 46541880. Its totient is φ = 11657984.

The previous prime is 23316157. The next prime is 23316229. The reversal of 23316224 is 42261332.

It is a self number, because there is not a number n which added to its sum of digits gives 23316224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23316229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45284 + ... + 45795.

It is an arithmetic number, because the mean of its divisors is an integer number (2585660).

Almost surely, 2^23316224 is an apocalyptic number.

It is an amenable number.

23316224 is a deficient number, since it is larger than the sum of its proper divisors (23225656).

23316224 is an frugal number, since it uses more digits than its factorization.

23316224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91095 (or 91081 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 23316224 is about 4828.6876063792. The cubic root of 23316224 is about 285.6841019543.

Adding to 23316224 its reverse (42261332), we get a palindrome (65577556).

The spelling of 23316224 in words is "twenty-three million, three hundred sixteen thousand, two hundred twenty-four".