22262666 has 8 divisors (see below), whose sum is σ = 34845984. Its totient is φ = 10647340.

The previous prime is 22262663. The next prime is 22262671. The reversal of 22262666 is 66626222.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22262663) 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, 241940 + ... + 242031.

It is an arithmetic number, because the mean of its divisors is an integer number (4355748).

Almost surely, 2^22262666 is an apocalyptic number.

22262666 is a deficient number, since it is larger than the sum of its proper divisors (12583318).

22262666 is a wasteful number, since it uses less digits than its factorization.

22262666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483996.

The product of its digits is 20736, while the sum is 32.

The square root of 22262666 is about 4718.3329683268. The cubic root of 22262666 is about 281.3146764180.

Adding to 22262666 its reverse (66626222), we get a palindrome (88888888).

The spelling of 22262666 in words is "twenty-two million, two hundred sixty-two thousand, six hundred sixty-six".