13222301232 has 160 divisors (see below), whose sum is σ = 40117432320. Its totient is φ = 3673866240.

The previous prime is 13222301201. The next prime is 13222301233. The reversal of 13222301232 is 23210322231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13222301199 and 13222301208.

It is not an unprimeable number, because it can be changed into a prime (13222301233) 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 31 ways as a sum of consecutive naturals, for example, 4861569 + ... + 4864287.

It is an arithmetic number, because the mean of its divisors is an integer number (250733952).

Almost surely, 2^13222301232 is an apocalyptic number.

13222301232 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 13222301232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20058716160).

13222301232 is an abundant number, since it is smaller than the sum of its proper divisors (26895131088).

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

13222301232 is a wasteful number, since it uses less digits than its factorization.

13222301232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131 (or 3125 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13222301232 its reverse (23210322231), we get a palindrome (36432623463).

The spelling of 13222301232 in words is "thirteen billion, two hundred twenty-two million, three hundred one thousand, two hundred thirty-two".