1322222000000 has 224 divisors, whose sum is σ = 3591987615720. Its totient is φ = 480800000000.

The previous prime is 1322221999999. The next prime is 1322222000003. The reversal of 1322222000000 is 2222231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322222000003) 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 27 ways as a sum of consecutive naturals, for example, 21969950 + ... + 22030050.

Almost surely, 2^{1322222000000} is an apocalyptic number.

1322222000000 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 1322222000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1795993807860).

1322222000000 is an abundant number, since it is smaller than the sum of its proper divisors (2269765615720).

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

1322222000000 is an frugal number, since it uses more digits than its factorization.

1322222000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60156 (or 60119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 1322222000000 its reverse (2222231), we get a palindrome (1322224222231).

The spelling of 1322222000000 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-two million", and thus it is an aban number.