22224444444404 has 12 divisors (see below), whose sum is σ = 39236961652644. Its totient is φ = 11013883972224.

The previous prime is 22224444444401. The next prime is 22224444444407. The reversal of 22224444444404 is 40444444442222.

It is an interprime number because it is at equal distance from previous prime (22224444444401) and next prime (22224444444407).

It can be written as a sum of positive squares in 2 ways, for example, as 6928992760804 + 15295451683600 = 2632298^2 + 3910940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224444444401) 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, 24584561987 + ... + 24584562890.

It is an arithmetic number, because the mean of its divisors is an integer number (3269746804387).

Almost surely, 2^{22224444444404} is an apocalyptic number.

It is an amenable number.

22224444444404 is a deficient number, since it is larger than the sum of its proper divisors (17012517208240).

22224444444404 is a wasteful number, since it uses less digits than its factorization.

22224444444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49169124994 (or 49169124992 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 44.

Adding to 22224444444404 its reverse (40444444442222), we get a palindrome (62668888886626).

The spelling of 22224444444404 in words is "twenty-two trillion, two hundred twenty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred four".