22817999616 has 144 divisors (see below), whose sum is σ = 62369945568. Its totient is φ = 7401472000.

The previous prime is 22817999609. The next prime is 22817999621. The reversal of 22817999616 is 61699971822.

It is a super-2 number, since 2×22817999616² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22817999616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17538166 + ... + 17539466.

It is an arithmetic number, because the mean of its divisors is an integer number (433124622).

Almost surely, 2^22817999616 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 22817999616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31184972784).

22817999616 is an abundant number, since it is smaller than the sum of its proper divisors (39551945952).

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

22817999616 is a wasteful number, since it uses less digits than its factorization.

22817999616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918 (or 1904 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 60.

The spelling of 22817999616 in words is "twenty-two billion, eight hundred seventeen million, nine hundred ninety-nine thousand, six hundred sixteen".