23199224 has 8 divisors (see below), whose sum is σ = 43498560. Its totient is φ = 11599608.

The previous prime is 23199223. The next prime is 23199227. The reversal of 23199224 is 42299132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23199223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449944 + ... + 1449959.

It is an arithmetic number, because the mean of its divisors is an integer number (5437320).

Almost surely, 2^23199224 is an apocalyptic number.

It is an amenable number.

23199224 is a deficient number, since it is larger than the sum of its proper divisors (20299336).

23199224 is a wasteful number, since it uses less digits than its factorization.

23199224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899909 (or 2899905 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 23199224 is about 4816.5572767278. The cubic root of 23199224 is about 285.2054494807.

The spelling of 23199224 in words is "twenty-three million, one hundred ninety-nine thousand, two hundred twenty-four".