22056766 has 8 divisors (see below), whose sum is σ = 33394680. Its totient is φ = 10925208.

The previous prime is 22056761. The next prime is 22056787. The reversal of 22056766 is 66765022.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056761) 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, 51321 + ... + 51748.

It is an arithmetic number, because the mean of its divisors is an integer number (4174335).

Almost surely, 2^22056766 is an apocalyptic number.

22056766 is a deficient number, since it is larger than the sum of its proper divisors (11337914).

22056766 is a wasteful number, since it uses less digits than its factorization.

22056766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103178.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 22056766 is about 4696.4631372981. The cubic root of 22056766 is about 280.4447269350. Note that the first 3 decimals are identical.

It can be divided in two parts, 22056 and 766, that added together give a palindrome (22822).

The spelling of 22056766 in words is "twenty-two million, fifty-six thousand, seven hundred sixty-six".