22263666 has 8 divisors (see below), whose sum is σ = 44527344. Its totient is φ = 7421220.

The previous prime is 22263643. The next prime is 22263679. The reversal of 22263666 is 66636222.

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

22263666 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

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, 1855300 + ... + 1855311.

It is an arithmetic number, because the mean of its divisors is an integer number (5565918).

Almost surely, 2^22263666 is an apocalyptic number.

22263666 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.

22263666 is a wasteful number, since it uses less digits than its factorization.

22263666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710616.

The product of its digits is 31104, while the sum is 33.

The square root of 22263666 is about 4718.4389367671. The cubic root of 22263666 is about 281.3188884093.

Adding to 22263666 its reverse (66636222), we get a palindrome (88899888).

The spelling of 22263666 in words is "twenty-two million, two hundred sixty-three thousand, six hundred sixty-six".