13220222532 has 96 divisors (see below), whose sum is σ = 35971375104. Its totient is φ = 3738451200.

The previous prime is 13220222527. The next prime is 13220222551. The reversal of 13220222532 is 23522202231.

It is a happy number.

13220222532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71373 + ... + 177579.

It is an arithmetic number, because the mean of its divisors is an integer number (374701824).

Almost surely, 2^13220222532 is an apocalyptic number.

13220222532 is a gapful number since it is divisible by the number (12) 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 13220222532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17985687552).

13220222532 is an abundant number, since it is smaller than the sum of its proper divisors (22751152572).

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

13220222532 is a wasteful number, since it uses less digits than its factorization.

13220222532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106289 (or 106287 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 13220222532 its reverse (23522202231), we get a palindrome (36742424763).

The spelling of 13220222532 in words is "thirteen billion, two hundred twenty million, two hundred twenty-two thousand, five hundred thirty-two".