13643425224 has 96 divisors (see below), whose sum is σ = 43410931200. Its totient is φ = 3816339840.

The previous prime is 13643425207. The next prime is 13643425267. The reversal of 13643425224 is 42252434631.

13643425224 is a `hidden beast` number, since 1 + 3 + 6 + 4 + 3 + 425 + 224 = 666.

It is a super-2 number, since 2×13643425224² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 652264 + ... + 672855.

It is an arithmetic number, because the mean of its divisors is an integer number (452197200).

Almost surely, 2^13643425224 is an apocalyptic number.

It is an amenable number.

13643425224 is an abundant number, since it is smaller than the sum of its proper divisors (29767505976).

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

13643425224 is a wasteful number, since it uses less digits than its factorization.

13643425224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325155 (or 1325148 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 13643425224 its reverse (42252434631), we get a palindrome (55895859855).

The spelling of 13643425224 in words is "thirteen billion, six hundred forty-three million, four hundred twenty-five thousand, two hundred twenty-four".