13643222304 has 48 divisors (see below), whose sum is σ = 36420481440. Its totient is φ = 4470658560.

The previous prime is 13643222267. The next prime is 13643222377. The reversal of 13643222304 is 40322234631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×13643222304² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198717 + ... + 1210044.

It is an arithmetic number, because the mean of its divisors is an integer number (758760030).

Almost surely, 2^13643222304 is an apocalyptic number.

It is an amenable number.

13643222304 is an abundant number, since it is smaller than the sum of its proper divisors (22777259136).

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

13643222304 is a wasteful number, since it uses less digits than its factorization.

13643222304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408833 (or 2408825 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13643222304 its reverse (40322234631), we get a palindrome (53965456935).

The spelling of 13643222304 in words is "thirteen billion, six hundred forty-three million, two hundred twenty-two thousand, three hundred four".