22644041 has 16 divisors (see below), whose sum is σ = 26931840. Its totient is φ = 18627840.

The previous prime is 22644019. The next prime is 22644047. The reversal of 22644041 is 14044622.

It is not a de Polignac number, because 22644041 - 2¹⁸ = 22381897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22643998 and 22644016.

It is not an unprimeable number, because it can be changed into a prime (22644047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67025 + ... + 67361.

It is an arithmetic number, because the mean of its divisors is an integer number (1683240).

Almost surely, 2^22644041 is an apocalyptic number.

It is an amenable number.

22644041 is a deficient number, since it is larger than the sum of its proper divisors (4287799).

22644041 is a wasteful number, since it uses less digits than its factorization.

22644041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22644041 is about 4758.5755221495. The cubic root of 22644041 is about 282.9119621936.

Adding to 22644041 its reverse (14044622), we get a palindrome (36688663).

The spelling of 22644041 in words is "twenty-two million, six hundred forty-four thousand, forty-one".