13222000000 has 224 divisors, whose sum is σ = 35978445720. Its totient is φ = 4800000000.

The previous prime is 13221999997. The next prime is 13222000007. The reversal of 13222000000 is 22231.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222000007) 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, 21999700 + ... + 22000300.

Almost surely, 2^13222000000 is an apocalyptic number.

13222000000 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 13222000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17989222860).

13222000000 is an abundant number, since it is smaller than the sum of its proper divisors (22756445720).

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

13222000000 is an frugal number, since it uses more digits than its factorization.

13222000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 13222000000 its reverse (22231), we get a palindrome (13222022231).

The spelling of 13222000000 in words is "thirteen billion, two hundred twenty-two million", and thus it is an aban number.