13722442608 has 160 divisors (see below), whose sum is σ = 41538484224. Its totient is φ = 3822206976.

The previous prime is 13722442579. The next prime is 13722442631. The reversal of 13722442608 is 80624422731.

It is a happy number.

It is a super-2 number, since 2×13722442608² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4372816 + ... + 4375952.

Almost surely, 2^13722442608 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 13722442608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20769242112).

13722442608 is an abundant number, since it is smaller than the sum of its proper divisors (27816041616).

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

13722442608 is a wasteful number, since it uses less digits than its factorization.

13722442608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479 (or 3473 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 13722442608 in words is "thirteen billion, seven hundred twenty-two million, four hundred forty-two thousand, six hundred eight".