22606181136 has 240 divisors, whose sum is σ = 81799431168. Its totient is φ = 5871657600.

The previous prime is 22606181131. The next prime is 22606181141. The reversal of 22606181136 is 63118160622.

It is a happy number.

22606181136 is a `hidden beast` number, since 2 + 2 + 6 + 0 + 618 + 1 + 1 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (22606181131) and next prime (22606181141).

It is a super-2 number, since 2×22606181136² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22606181136.

It is not an unprimeable number, because it can be changed into a prime (22606181131) 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 47 ways as a sum of consecutive naturals, for example, 261621 + ... + 337131.

Almost surely, 2^22606181136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22606181136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40899715584).

22606181136 is an abundant number, since it is smaller than the sum of its proper divisors (59193250032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22606181136 is a wasteful number, since it uses less digits than its factorization.

22606181136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75552 (or 75534 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 22606181136 in words is "twenty-two billion, six hundred six million, one hundred eighty-one thousand, one hundred thirty-six".