13222222000 has 120 divisors (see below), whose sum is σ = 34620730560. Its totient is φ = 4881926400.

The previous prime is 13222221997. The next prime is 13222222003. The reversal of 13222222000 is 22222231.

It is an interprime number because it is at equal distance from previous prime (13222221997) and next prime (13222222003).

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

It is not an unprimeable number, because it can be changed into a prime (13222222003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318441 + ... + 357559.

It is an arithmetic number, because the mean of its divisors is an integer number (288506088).

Almost surely, 2^13222222000 is an apocalyptic number.

13222222000 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 13222222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17310365280).

13222222000 is an abundant number, since it is smaller than the sum of its proper divisors (21398508560).

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

13222222000 is a wasteful number, since it uses less digits than its factorization.

13222222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39168 (or 39139 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 13222222000 its reverse (22222231), we get a palindrome (13244444231).

The spelling of 13222222000 in words is "thirteen billion, two hundred twenty-two million, two hundred twenty-two thousand".