22689609855 has 16 divisors (see below), whose sum is σ = 39603682944. Its totient is φ = 11001022880.

The previous prime is 22689609853. The next prime is 22689609911. The reversal of 22689609855 is 55890698622.

It is not a de Polignac number, because 22689609855 - 2¹ = 22689609853 is a prime.

It is a super-2 number, since 2×22689609855² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22689609853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68756229 + ... + 68756558.

It is an arithmetic number, because the mean of its divisors is an integer number (2475230184).

Almost surely, 2^22689609855 is an apocalyptic number.

22689609855 is a deficient number, since it is larger than the sum of its proper divisors (16914073089).

22689609855 is a wasteful number, since it uses less digits than its factorization.

22689609855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137512806.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 22689609855 in words is "twenty-two billion, six hundred eighty-nine million, six hundred nine thousand, eight hundred fifty-five".