22660066 has 16 divisors (see below), whose sum is σ = 39932928. Its totient is φ = 9507600.

The previous prime is 22660061. The next prime is 22660067. The reversal of 22660066 is 66006622.

It is a super-2 number, since 2×22660066² = 1026957182248712, which contains 22 as substring.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22660061) 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 7 ways as a sum of consecutive naturals, for example, 39330 + ... + 39901.

It is an arithmetic number, because the mean of its divisors is an integer number (2495808).

Almost surely, 2^22660066 is an apocalyptic number.

22660066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22660066 is a deficient number, since it is larger than the sum of its proper divisors (17272862).

22660066 is a wasteful number, since it uses less digits than its factorization.

22660066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79257.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 22660066 is about 4760.2590265657. The cubic root of 22660066 is about 282.9786846062.

Adding to 22660066 its reverse (66006622), we get a palindrome (88666688).

The spelling of 22660066 in words is "twenty-two million, six hundred sixty thousand, sixty-six".