22505084168 has 36 divisors (see below), whose sum is σ = 49092823485. Its totient is φ = 9643763136.

The previous prime is 22505084159. The next prime is 22505084171. The reversal of 22505084168 is 86148050522.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 13073178244 + 9431905924 = 114338^2 + 97118^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106078.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2966396 + ... + 2973972.

Almost surely, 2^22505084168 is an apocalyptic number.

22505084168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22505084168 is an abundant number, since it is smaller than the sum of its proper divisors (26587739317).

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

22505084168 is an frugal number, since it uses more digits than its factorization.

22505084168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15174 (or 7586 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 22505084168 in words is "twenty-two billion, five hundred five million, eighty-four thousand, one hundred sixty-eight".