22066116 has 12 divisors (see below), whose sum is σ = 51487632. Its totient is φ = 7355368.

The previous prime is 22066103. The next prime is 22066127. The reversal of 22066116 is 61166022.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 919410 + ... + 919433.

It is an arithmetic number, because the mean of its divisors is an integer number (4290636).

Almost surely, 2^22066116 is an apocalyptic number.

It is an amenable number.

22066116 is an abundant number, since it is smaller than the sum of its proper divisors (29421516).

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

22066116 is a wasteful number, since it uses less digits than its factorization.

22066116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838850 (or 1838848 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22066116 is about 4697.4584617642. The cubic root of 22066116 is about 280.4843487570.

The spelling of 22066116 in words is "twenty-two million, sixty-six thousand, one hundred sixteen".