22421304244 has 12 divisors (see below), whose sum is σ = 39822913984. Its totient is φ = 11043328824.

The previous prime is 22421304223. The next prime is 22421304247. The reversal of 22421304244 is 44240312422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421304247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41830524 + ... + 41831059.

Almost surely, 2^22421304244 is an apocalyptic number.

It is an amenable number.

22421304244 is a deficient number, since it is larger than the sum of its proper divisors (17401609740).

22421304244 is a wasteful number, since it uses less digits than its factorization.

22421304244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83661654 (or 83661652 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22421304244 its reverse (44240312422), we get a palindrome (66661616666).

The spelling of 22421304244 in words is "twenty-two billion, four hundred twenty-one million, three hundred four thousand, two hundred forty-four".