11722286844 has 96 divisors (see below), whose sum is σ = 30846816000. Its totient is φ = 3849259968.

The previous prime is 11722286843. The next prime is 11722286867. The reversal of 11722286844 is 44868222711.

It is a self number, because there is not a number n which added to its sum of digits gives 11722286844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722286843) 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, 2104407 + ... + 2109969.

It is an arithmetic number, because the mean of its divisors is an integer number (321321000).

Almost surely, 2^11722286844 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 11722286844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15423408000).

11722286844 is an abundant number, since it is smaller than the sum of its proper divisors (19124529156).

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

11722286844 is a wasteful number, since it uses less digits than its factorization.

11722286844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864 (or 5856 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The spelling of 11722286844 in words is "eleven billion, seven hundred twenty-two million, two hundred eighty-six thousand, eight hundred forty-four".