22444140332212 has 12 divisors (see below), whose sum is σ = 39291328514340. Its totient is φ = 11218046470976.

The previous prime is 22444140332197. The next prime is 22444140332213. The reversal of 22444140332212 is 21223304144422.

It can be written as a sum of positive squares in 2 ways, for example, as 13970894670756 + 8473245661456 = 3737766^2 + 2910884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444140332213) 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, 1005911233 + ... + 1005933544.

It is an arithmetic number, because the mean of its divisors is an integer number (3274277376195).

Almost surely, 2^{22444140332212} is an apocalyptic number.

It is an amenable number.

22444140332212 is a deficient number, since it is larger than the sum of its proper divisors (16847188182128).

22444140332212 is a wasteful number, since it uses less digits than its factorization.

22444140332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011847570 (or 2011847568 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 22444140332212 its reverse (21223304144422), we get a palindrome (43667444476634).

The spelling of 22444140332212 in words is "twenty-two trillion, four hundred forty-four billion, one hundred forty million, three hundred thirty-two thousand, two hundred twelve".