22532672898 has 18 divisors (see below), whose sum is σ = 48822171177. Its totient is φ = 7510678680.

The previous prime is 22532672893. The next prime is 22532672963. The reversal of 22532672898 is 89827623522.

22532672898 is a `hidden beast` number, since 22 + 532 + 6 + 7 + 2 + 89 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18754480809 + 3778192089 = 136947^2 + 61467^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106143.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22532672893) 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 8 ways as a sum of consecutive naturals, for example, 619168 + ... + 654548.

Almost surely, 2^22532672898 is an apocalyptic number.

22532672898 is an abundant number, since it is smaller than the sum of its proper divisors (26289498279).

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

22532672898 is an frugal number, since it uses more digits than its factorization.

22532672898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70770 (or 35386 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 22532672898 in words is "twenty-two billion, five hundred thirty-two million, six hundred seventy-two thousand, eight hundred ninety-eight".