13233222222 has 64 divisors (see below), whose sum is σ = 29715814656. Its totient is φ = 3894024960.

The previous prime is 13233222221. The next prime is 13233222227. The reversal of 13233222222 is 22222233231.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13233222192 and 13233222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233222221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477498 + ... + 504450.

It is an arithmetic number, because the mean of its divisors is an integer number (464309604).

Almost surely, 2^13233222222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13233222222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14857907328).

13233222222 is an abundant number, since it is smaller than the sum of its proper divisors (16482592434).

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

13233222222 is a wasteful number, since it uses less digits than its factorization.

13233222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27185.

The product of its digits is 3456, while the sum is 24.

Adding to 13233222222 its reverse (22222233231), we get a palindrome (35455455453).

The spelling of 13233222222 in words is "thirteen billion, two hundred thirty-three million, two hundred twenty-two thousand, two hundred twenty-two".