13226401224 has 160 divisors (see below), whose sum is σ = 39057638400. Its totient is φ = 4175504640.

The previous prime is 13226401219. The next prime is 13226401231. The reversal of 13226401224 is 42210462231.

13226401224 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 640 + 12 + 2 + 4 = 666.

13226401224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 39 ways as a sum of consecutive naturals, for example, 937132 + ... + 951140.

It is an arithmetic number, because the mean of its divisors is an integer number (244110240).

Almost surely, 2^13226401224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13226401224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19528819200).

13226401224 is an abundant number, since it is smaller than the sum of its proper divisors (25831237176).

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

13226401224 is a wasteful number, since it uses less digits than its factorization.

13226401224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14105 (or 14092 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 13226401224 its reverse (42210462231), we get a palindrome (55436863455).

The spelling of 13226401224 in words is "thirteen billion, two hundred twenty-six million, four hundred one thousand, two hundred twenty-four".