13569022236 has 96 divisors (see below), whose sum is σ = 39917283840. Its totient is φ = 3484800000.

The previous prime is 13569022163. The next prime is 13569022237. The reversal of 13569022236 is 63222096531.

It is a junction number, because it is equal to n+sod(n) for n = 13569022194 and 13569022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13569022237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265 + ... + 164736.

It is an arithmetic number, because the mean of its divisors is an integer number (415805040).

Almost surely, 2^13569022236 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 13569022236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19958641920).

13569022236 is an abundant number, since it is smaller than the sum of its proper divisors (26348261604).

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

13569022236 is a wasteful number, since it uses less digits than its factorization.

13569022236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165115 (or 165113 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 13569022236 in words is "thirteen billion, five hundred sixty-nine million, twenty-two thousand, two hundred thirty-six".