22020122222000 has 160 divisors (see below), whose sum is σ = 61007479378560. Its totient is φ = 7530346214400.

The previous prime is 22020122221967. The next prime is 22020122222023. The reversal of 22020122222000 is 22222102022.

It is a self number, because there is not a number n which added to its sum of digits gives 22020122222000.

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 31 ways as a sum of consecutive naturals, for example, 3424322 + ... + 7467678.

It is an arithmetic number, because the mean of its divisors is an integer number (381296746116).

Almost surely, 2^{22020122222000} is an apocalyptic number.

22020122222000 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 22020122222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30503739689280).

22020122222000 is an abundant number, since it is smaller than the sum of its proper divisors (38987357156560).

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

22020122222000 is a wasteful number, since it uses less digits than its factorization.

22020122222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043776 (or 4043760 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22020122222000 its reverse (22222102022), we get a palindrome (22042344324022).

The spelling of 22020122222000 in words is "twenty-two trillion, twenty billion, one hundred twenty-two million, two hundred twenty-two thousand".