225468212162 has 18 divisors (see below), whose sum is σ = 343105374969. Its totient is φ = 111122798640.

The previous prime is 225468212161. The next prime is 225468212239. The reversal of 225468212162 is 261212864522.

It can be written as a sum of positive squares in 2 ways, for example, as 144771879121 + 80696333041 = 380489^2 + 284071^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=335759.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225468212161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 47675414 + ... + 47680142.

Almost surely, 2^225468212162 is an apocalyptic number.

225468212162 is a deficient number, since it is larger than the sum of its proper divisors (117637162807).

225468212162 is an frugal number, since it uses more digits than its factorization.

225468212162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9602 (or 4802 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The spelling of 225468212162 in words is "two hundred twenty-five billion, four hundred sixty-eight million, two hundred twelve thousand, one hundred sixty-two".