11722227984 has 100 divisors (see below), whose sum is σ = 34239203020. Its totient is φ = 3871514880.

The previous prime is 11722227977. The next prime is 11722228019. The reversal of 11722227984 is 48972222711.

It can be written as a sum of positive squares in 2 ways, for example, as 5979619584 + 5742608400 = 77328^2 + 75780^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 99774 + ... + 182754.

Almost surely, 2^11722227984 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 11722227984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17119601510).

11722227984 is an abundant number, since it is smaller than the sum of its proper divisors (22516975036).

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

11722227984 is a wasteful number, since it uses less digits than its factorization.

11722227984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83110 (or 83095 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The spelling of 11722227984 in words is "eleven billion, seven hundred twenty-two million, two hundred twenty-seven thousand, nine hundred eighty-four".