23305224 has 16 divisors (see below), whose sum is σ = 58263120. Its totient is φ = 7768400.

The previous prime is 23305223. The next prime is 23305231. The reversal of 23305224 is 42250332.

It is a self number, because there is not a number n which added to its sum of digits gives 23305224.

It is not an unprimeable number, because it can be changed into a prime (23305223) 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, 485502 + ... + 485549.

It is an arithmetic number, because the mean of its divisors is an integer number (3641445).

Almost surely, 2^23305224 is an apocalyptic number.

23305224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23305224 is an abundant number, since it is smaller than the sum of its proper divisors (34957896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23305224 is a wasteful number, since it uses less digits than its factorization.

23305224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971060 (or 971056 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23305224 is about 4827.5484461577. The cubic root of 23305224 is about 285.6391687290.

Adding to 23305224 its reverse (42250332), we get a palindrome (65555556).

The spelling of 23305224 in words is "twenty-three million, three hundred five thousand, two hundred twenty-four".