22485686565888 has 2816 divisors, whose sum is σ = 88741675008000. Its totient is φ = 5466373226496.

The previous prime is 22485686565883. The next prime is 22485686565907. The reversal of 22485686565888 is 88856568658422.

22485686565888 is a `hidden beast` number, since 2 + 2 + 48 + 5 + 6 + 8 + 6 + 565 + 8 + 8 + 8 = 666.

It is a super-2 number, since 2×22485686565888² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22485686565883) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 270911886295 + ... + 270911886377.

Almost surely, 2^{22485686565888} is an apocalyptic number.

22485686565888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22485686565888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44370837504000).

22485686565888 is an abundant number, since it is smaller than the sum of its proper divisors (66255988442112).

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

22485686565888 is a wasteful number, since it uses less digits than its factorization.

22485686565888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 263 counting only the distinct ones).

The product of its digits is 14155776000, while the sum is 81.

The spelling of 22485686565888 in words is "twenty-two trillion, four hundred eighty-five billion, six hundred eighty-six million, five hundred sixty-five thousand, eight hundred eighty-eight".