22005066 has 16 divisors (see below), whose sum is σ = 45923904. Its totient is φ = 7016064.

The previous prime is 22005037. The next prime is 22005073. The reversal of 22005066 is 66050022.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 79591 + ... + 79866.

It is an arithmetic number, because the mean of its divisors is an integer number (2870244).

Almost surely, 2^22005066 is an apocalyptic number.

22005066 is an abundant number, since it is smaller than the sum of its proper divisors (23918838).

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

22005066 is a wasteful number, since it uses less digits than its factorization.

22005066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159485.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22005066 is about 4690.9557661526. The cubic root of 22005066 is about 280.2254391895.

Adding to 22005066 its reverse (66050022), we get a palindrome (88055088).

It can be divided in two parts, 220050 and 66, that added together give a triangular number (220116 = T₆₆₃).

The spelling of 22005066 in words is "twenty-two million, five thousand, sixty-six".