22068049989972 has 192 divisors, whose sum is σ = 59838474608640. Its totient is φ = 6199992336384.

The previous prime is 22068049989929. The next prime is 22068049990009. The reversal of 22068049989972 is 27998994086022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22068049989894 and 22068049989903.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1457880388 + ... + 1457895524.

It is an arithmetic number, because the mean of its divisors is an integer number (311658721920).

Almost surely, 2^{22068049989972} 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 22068049989972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29919237304320).

22068049989972 is an abundant number, since it is smaller than the sum of its proper divisors (37770424618668).

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

22068049989972 is a wasteful number, since it uses less digits than its factorization.

22068049989972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16430 (or 16428 counting only the distinct ones).

The product of its (nonzero) digits is 564350976, while the sum is 75.

The spelling of 22068049989972 in words is "twenty-two trillion, sixty-eight billion, forty-nine million, nine hundred eighty-nine thousand, nine hundred seventy-two".