22409448 has 32 divisors (see below), whose sum is σ = 56945760. Its totient is φ = 7346880.

The previous prime is 22409437. The next prime is 22409461. The reversal of 22409448 is 84490422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6190 + ... + 9117.

It is an arithmetic number, because the mean of its divisors is an integer number (1779555).

Almost surely, 2^22409448 is an apocalyptic number.

It is an amenable number.

22409448 is an abundant number, since it is smaller than the sum of its proper divisors (34536312).

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

22409448 is a wasteful number, since it uses less digits than its factorization.

22409448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15377 (or 15373 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 22409448 is about 4733.8618484278. The cubic root of 22409448 is about 281.9315763775.

The spelling of 22409448 in words is "twenty-two million, four hundred nine thousand, four hundred forty-eight".