22116999144 has 16 divisors (see below), whose sum is σ = 55292497920. Its totient is φ = 7372333040.

The previous prime is 22116999139. The next prime is 22116999173. The reversal of 22116999144 is 44199961122.

It is a super-3 number, since 3×22116999144³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22116999093 and 22116999102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460770792 + ... + 460770839.

It is an arithmetic number, because the mean of its divisors is an integer number (3455781120).

Almost surely, 2^22116999144 is an apocalyptic number.

22116999144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22116999144 is an abundant number, since it is smaller than the sum of its proper divisors (33175498776).

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

22116999144 is a wasteful number, since it uses less digits than its factorization.

22116999144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921541640 (or 921541636 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The spelling of 22116999144 in words is "twenty-two billion, one hundred sixteen million, nine hundred ninety-nine thousand, one hundred forty-four".