22543968 has 24 divisors (see below), whose sum is σ = 59178168. Its totient is φ = 7514624.

The previous prime is 22543951. The next prime is 22543987. The reversal of 22543968 is 86934522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117321 + ... + 117512.

It is an arithmetic number, because the mean of its divisors is an integer number (2465757).

Almost surely, 2^22543968 is an apocalyptic number.

It is an amenable number.

22543968 is an abundant number, since it is smaller than the sum of its proper divisors (36634200).

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

22543968 is a wasteful number, since it uses less digits than its factorization.

22543968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234846 (or 234838 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 22543968 is about 4748.0488624276. The cubic root of 22543968 is about 282.4945799989.

The spelling of 22543968 in words is "twenty-two million, five hundred forty-three thousand, nine hundred sixty-eight".