22206066289 has 81 divisors (see below), whose sum is σ = 27826013817. Its totient is φ = 17703219600.

The previous prime is 22206066277. The next prime is 22206066301. The reversal of 22206066289 is 98266060222.

The square root of 22206066289 is 149017.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (22206066277) and next prime (22206066301).

It is not a de Polignac number, because 22206066289 - 2¹⁷ = 22205935217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22206066089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 716324704 + ... + 716324734.

Almost surely, 2^22206066289 is an apocalyptic number.

22206066289 is the 149017-th square number.

22206066289 is the 74509-th centered octagonal number.

It is an amenable number.

22206066289 is a deficient number, since it is larger than the sum of its proper divisors (5619947528).

22206066289 is a wasteful number, since it uses less digits than its factorization.

22206066289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 22206066289 in words is "twenty-two billion, two hundred six million, sixty-six thousand, two hundred eighty-nine".