22516044512 has 96 divisors (see below), whose sum is σ = 49456915200.
Its totient is φ = 10018971648.
The previous prime is 22516044479. The next prime is 22516044539. The reversal of 22516044512 is 21544061522.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15646289 + ... + 15647727.
It is an arithmetic number, because the mean of its divisors is an integer number (515176200).
Almost surely, 222516044512 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 22516044512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24728457600).
22516044512 is an abundant number, since it is smaller than the sum of its proper divisors (26940870688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22516044512 is a wasteful number, since it uses less digits than its factorization.
22516044512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2788 (or 2780 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 32.
The spelling of 22516044512 in words is "twenty-two billion, five hundred sixteen million, forty-four thousand, five hundred twelve".