22112666 has 8 divisors (see below), whose sum is σ = 33636384. Its totient is φ = 10900540.

The previous prime is 22112647. The next prime is 22112677. The reversal of 22112666 is 66621122.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 77720 + ... + 78003.

It is an arithmetic number, because the mean of its divisors is an integer number (4204548).

Almost surely, 2^22112666 is an apocalyptic number.

22112666 is a deficient number, since it is larger than the sum of its proper divisors (11523718).

22112666 is a wasteful number, since it uses less digits than its factorization.

22112666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155796.

The product of its digits is 1728, while the sum is 26.

The square root of 22112666 is about 4702.4106583751. The cubic root of 22112666 is about 280.6814439466.

Adding to 22112666 its reverse (66621122), we get a palindrome (88733788).

The spelling of 22112666 in words is "twenty-two million, one hundred twelve thousand, six hundred sixty-six".