22241323444 has 12 divisors (see below), whose sum is σ = 38924939844. Its totient is φ = 11119912064.

The previous prime is 22241323441. The next prime is 22241323453. The reversal of 22241323444 is 44432314222.

It can be written as a sum of positive squares in 2 ways, for example, as 10279526544 + 11961796900 = 101388^2 + 109370^2 .

It is a super-2 number, since 2×22241323444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22241323441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117787 + ... + 241570.

It is an arithmetic number, because the mean of its divisors is an integer number (3243744987).

Almost surely, 2^22241323444 is an apocalyptic number.

It is an amenable number.

22241323444 is a deficient number, since it is larger than the sum of its proper divisors (16683616400).

22241323444 is a wasteful number, since it uses less digits than its factorization.

22241323444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374834 (or 374832 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

Adding to 22241323444 its reverse (44432314222), we get a palindrome (66673637666).

The spelling of 22241323444 in words is "twenty-two billion, two hundred forty-one million, three hundred twenty-three thousand, four hundred forty-four".