22444748 has 18 divisors (see below), whose sum is σ = 39819276. Its totient is φ = 11068944.

The previous prime is 22444739. The next prime is 22444781. The reversal of 22444748 is 84744422.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97898 + ... + 98126.

It is an arithmetic number, because the mean of its divisors is an integer number (2212182).

Almost surely, 2^22444748 is an apocalyptic number.

It is an amenable number.

22444748 is a deficient number, since it is larger than the sum of its proper divisors (17374528).

22444748 is a wasteful number, since it uses less digits than its factorization.

22444748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 338 counting only the distinct ones).

The product of its digits is 57344, while the sum is 35.

The square root of 22444748 is about 4737.5888382172. The cubic root of 22444748 is about 282.0795342620.

The spelling of 22444748 in words is "twenty-two million, four hundred forty-four thousand, seven hundred forty-eight".