22444648 has 16 divisors (see below), whose sum is σ = 42144480. Its totient is φ = 11206128.

The previous prime is 22444577. The next prime is 22444661. The reversal of 22444648 is 84644422.

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 3 ways as a sum of consecutive naturals, for example, 5515 + ... + 8677.

It is an arithmetic number, because the mean of its divisors is an integer number (2634030).

Almost surely, 2^22444648 is an apocalyptic number.

It is an amenable number.

22444648 is a deficient number, since it is larger than the sum of its proper divisors (19699832).

22444648 is a wasteful number, since it uses less digits than its factorization.

22444648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056 (or 4052 counting only the distinct ones).

The product of its digits is 49152, while the sum is 34.

The square root of 22444648 is about 4737.5782843136. The cubic root of 22444648 is about 282.0791153370.

The spelling of 22444648 in words is "twenty-two million, four hundred forty-four thousand, six hundred forty-eight".