22010012066 has 16 divisors (see below), whose sum is σ = 37805590080. Its totient is φ = 9414327120.

The previous prime is 22010012033. The next prime is 22010012069. The reversal of 22010012066 is 66021001022.

It is a happy number.

It is a super-2 number, since 2×22010012066² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22010012069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537220 + ... + 1551471.

It is an arithmetic number, because the mean of its divisors is an integer number (2362849380).

Almost surely, 2^22010012066 is an apocalyptic number.

22010012066 is a deficient number, since it is larger than the sum of its proper divisors (15795578014).

22010012066 is a wasteful number, since it uses less digits than its factorization.

22010012066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089209.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22010012066 its reverse (66021001022), we get a palindrome (88031013088).

The spelling of 22010012066 in words is "twenty-two billion, ten million, twelve thousand, sixty-six".