22685518055 has 8 divisors (see below), whose sum is σ = 28100770944. Its totient is φ = 17562981600.

The previous prime is 22685518049. The next prime is 22685518057. The reversal of 22685518055 is 55081558622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22685518055 - 2¹² = 22685513959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22685518057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73178936 + ... + 73179245.

It is an arithmetic number, because the mean of its divisors is an integer number (3512596368).

Almost surely, 2^22685518055 is an apocalyptic number.

22685518055 is a deficient number, since it is larger than the sum of its proper divisors (5415252889).

22685518055 is a wasteful number, since it uses less digits than its factorization.

22685518055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146358217.

The product of its (nonzero) digits is 960000, while the sum is 47.

The spelling of 22685518055 in words is "twenty-two billion, six hundred eighty-five million, five hundred eighteen thousand, fifty-five".