22224444444412 has 192 divisors, whose sum is σ = 48465406080000. Its totient is φ = 8701603282944.

The previous prime is 22224444444407. The next prime is 22224444444427. The reversal of 22224444444412 is 21444444442222.

It is a super-2 number, since 2×22224444444412² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2907813063 + ... + 2907820705.

It is an arithmetic number, because the mean of its divisors is an integer number (252423990000).

Almost surely, 2^{22224444444412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22224444444412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24232703040000).

22224444444412 is an abundant number, since it is smaller than the sum of its proper divisors (26240961635588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22224444444412 is a wasteful number, since it uses less digits than its factorization.

22224444444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060 (or 9058 counting only the distinct ones).

The product of its digits is 2097152, while the sum is 43.

Adding to 22224444444412 its reverse (21444444442222), we get a palindrome (43668888886634).

The spelling of 22224444444412 in words is "twenty-two trillion, two hundred twenty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred twelve".