22273207688 has 16 divisors (see below), whose sum is σ = 42780856860. Its totient is φ = 10864979200.

The previous prime is 22273207687. The next prime is 22273207727. The reversal of 22273207688 is 88670237222.

It can be written as a sum of positive squares in 2 ways, for example, as 22273174564 + 33124 = 149242^2 + 182^2 .

It is a super-4 number, since 4×22273207688⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (22273207681) 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 3 ways as a sum of consecutive naturals, for example, 33952733 + ... + 33953388.

Almost surely, 2^22273207688 is an apocalyptic number.

It is an amenable number.

22273207688 is a deficient number, since it is larger than the sum of its proper divisors (20507649172).

22273207688 is a wasteful number, since it uses less digits than its factorization.

22273207688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67906168 (or 67906164 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 22273207688 in words is "twenty-two billion, two hundred seventy-three million, two hundred seven thousand, six hundred eighty-eight".