22066000004 has 12 divisors (see below), whose sum is σ = 38647876764. Its totient is φ = 11023749504.

The previous prime is 22066000001. The next prime is 22066000039. The reversal of 22066000004 is 40000066022.

It can be written as a sum of positive squares in 2 ways, for example, as 6101172100 + 15964827904 = 78110^2 + 126352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22066000004.

It is not an unprimeable number, because it can be changed into a prime (22066000001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307257 + ... + 2316800.

It is an arithmetic number, because the mean of its divisors is an integer number (3220656397).

Almost surely, 2^22066000004 is an apocalyptic number.

It is an amenable number.

22066000004 is a deficient number, since it is larger than the sum of its proper divisors (16581876760).

22066000004 is a wasteful number, since it uses less digits than its factorization.

22066000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625254 (or 4625252 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22066000004 its reverse (40000066022), we get a palindrome (62066066026).

The spelling of 22066000004 in words is "twenty-two billion, sixty-six million, four", and thus it is an aban number.