22394872 has 16 divisors (see below), whose sum is σ = 42055560. Its totient is φ = 11180064.

The previous prime is 22394861. The next prime is 22394909. The reversal of 22394872 is 27849322.

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, 4518 + ... + 8074.

Almost surely, 2^22394872 is an apocalyptic number.

It is an amenable number.

22394872 is a deficient number, since it is larger than the sum of its proper divisors (19660688).

22394872 is a wasteful number, since it uses less digits than its factorization.

22394872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350 (or 4346 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 22394872 is about 4732.3220515937. The cubic root of 22394872 is about 281.8704366005.

The spelling of 22394872 in words is "twenty-two million, three hundred ninety-four thousand, eight hundred seventy-two".