22116516 has 24 divisors (see below), whose sum is σ = 53270784. Its totient is φ = 7134240.

The previous prime is 22116503. The next prime is 22116527. The reversal of 22116516 is 61561122.

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 7 ways as a sum of consecutive naturals, for example, 29355 + ... + 30098.

It is an arithmetic number, because the mean of its divisors is an integer number (2219616).

Almost surely, 2^22116516 is an apocalyptic number.

It is an amenable number.

22116516 is an abundant number, since it is smaller than the sum of its proper divisors (31154268).

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

22116516 is a wasteful number, since it uses less digits than its factorization.

22116516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59491 (or 59489 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 22116516 is about 4702.8200050608. The cubic root of 22116516 is about 280.6977326632.

Adding to 22116516 its reverse (61561122), we get a palindrome (83677638).

The spelling of 22116516 in words is "twenty-two million, one hundred sixteen thousand, five hundred sixteen".