13222022220000 has 360 divisors, whose sum is σ = 51256499013720. Its totient is φ = 3205338240000.

The previous prime is 13222022219957. The next prime is 13222022220007. The reversal of 13222022220000 is 2222022231.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222022220007) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1358895 + ... + 5318894.

It is an arithmetic number, because the mean of its divisors is an integer number (142379163927).

Almost surely, 2^{13222022220000} is an apocalyptic number.

13222022220000 is a gapful number since it is divisible by the number (10) 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 13222022220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25628249506860).

13222022220000 is an abundant number, since it is smaller than the sum of its proper divisors (38034476793720).

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

13222022220000 is a wasteful number, since it uses less digits than its factorization.

13222022220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677836 (or 6677810 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 13222022220000 its reverse (2222022231), we get a palindrome (13224244242231).

The spelling of 13222022220000 in words is "thirteen trillion, two hundred twenty-two billion, twenty-two million, two hundred twenty thousand".