22224666 has 8 divisors (see below), whose sum is σ = 44449344. Its totient is φ = 7408220.

The previous prime is 22224617. The next prime is 22224667. The reversal of 22224666 is 66642222.

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

22224666 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22224667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852050 + ... + 1852061.

It is an arithmetic number, because the mean of its divisors is an integer number (5556168).

Almost surely, 2^22224666 is an apocalyptic number.

22224666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22224666 is a wasteful number, since it uses less digits than its factorization.

22224666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704116.

The product of its digits is 13824, while the sum is 30.

The square root of 22224666 is about 4714.3044025604. The cubic root of 22224666 is about 281.1545271995.

Adding to 22224666 its reverse (66642222), we get a palindrome (88866888).

The spelling of 22224666 in words is "twenty-two million, two hundred twenty-four thousand, six hundred sixty-six".