22052666212 has 6 divisors (see below), whose sum is σ = 38592165878. Its totient is φ = 11026333104.

The previous prime is 22052666189. The next prime is 22052666213. The reversal of 22052666212 is 21266625022.

It can be written as a sum of positive squares in only one way, i.e., 22029683776 + 22982436 = 148424^2 + 4794^2 .

It is not an unprimeable number, because it can be changed into a prime (22052666213) 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 as a sum of consecutive naturals, namely, 2756583273 + ... + 2756583280.

Almost surely, 2^22052666212 is an apocalyptic number.

It is an amenable number.

22052666212 is a deficient number, since it is larger than the sum of its proper divisors (16539499666).

22052666212 is a wasteful number, since it uses less digits than its factorization.

22052666212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513166557 (or 5513166555 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 22052666212 in words is "twenty-two billion, fifty-two million, six hundred sixty-six thousand, two hundred twelve".