13223444160 has 112 divisors (see below), whose sum is σ = 42014704896. Its totient is φ = 3523709952.

The previous prime is 13223444149. The next prime is 13223444167. The reversal of 13223444160 is 6144432231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (13223444167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1596189 + ... + 1604451.

Almost surely, 2^13223444160 is an apocalyptic number.

13223444160 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 13223444160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21007352448).

13223444160 is an abundant number, since it is smaller than the sum of its proper divisors (28791260736).

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

13223444160 is a wasteful number, since it uses less digits than its factorization.

13223444160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9950 (or 9940 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 13223444160 its reverse (6144432231), we get a palindrome (19367876391).

The spelling of 13223444160 in words is "thirteen billion, two hundred twenty-three million, four hundred forty-four thousand, one hundred sixty".