22000066000000 has 224 divisors, whose sum is σ = 59765099059440. Its totient is φ = 8000016000000.

The previous prime is 22000065999991. The next prime is 22000066000007. The reversal of 22000066000000 is 66000022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22000066000007) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 21499999 + ... + 22500001.

Almost surely, 2^{22000066000000} is an apocalyptic number.

22000066000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000066000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29882549529720).

22000066000000 is an abundant number, since it is smaller than the sum of its proper divisors (37765033059440).

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

22000066000000 is an frugal number, since it uses more digits than its factorization.

22000066000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000058 (or 1000021 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The spelling of 22000066000000 in words is "twenty-two trillion, sixty-six million", and thus it is an aban number and an uban number.