22644262212044 has 72 divisors (see below), whose sum is σ = 44615837629440. Its totient is φ = 9972752731200.

The previous prime is 22644262212037. The next prime is 22644262212049. The reversal of 22644262212044 is 44021226244622.

It is a super-3 number, since 3×22644262212044³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22644262211992 and 22644262212010.

It is not an unprimeable number, because it can be changed into a prime (22644262212049) 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 23 ways as a sum of consecutive naturals, for example, 13609949 + ... + 15182859.

It is an arithmetic number, because the mean of its divisors is an integer number (619664411520).

Almost surely, 2^{22644262212044} is an apocalyptic number.

It is an amenable number.

22644262212044 is a deficient number, since it is larger than the sum of its proper divisors (21971575417396).

22644262212044 is a wasteful number, since it uses less digits than its factorization.

22644262212044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573239 (or 1573200 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 41.

Adding to 22644262212044 its reverse (44021226244622), we get a palindrome (66665488456666).

The spelling of 22644262212044 in words is "twenty-two trillion, six hundred forty-four billion, two hundred sixty-two million, two hundred twelve thousand, forty-four".