23220232 has 32 divisors (see below), whose sum is σ = 52686720. Its totient is φ = 9365760.

The previous prime is 23220229. The next prime is 23220247. The reversal of 23220232 is 23202232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11244 + ... + 13147.

It is an arithmetic number, because the mean of its divisors is an integer number (1646460).

Almost surely, 2^23220232 is an apocalyptic number.

It is an amenable number.

23220232 is an abundant number, since it is smaller than the sum of its proper divisors (29466488).

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

23220232 is a wasteful number, since it uses less digits than its factorization.

23220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24421 (or 24417 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 23220232 is about 4818.7375940178. The cubic root of 23220232 is about 285.2915125380.

Adding to 23220232 its reverse (23202232), we get a palindrome (46422464).

The spelling of 23220232 in words is "twenty-three million, two hundred twenty thousand, two hundred thirty-two".