225122545236 has 48 divisors (see below), whose sum is σ = 536528160000. Its totient is φ = 73435209600.

The previous prime is 225122545213. The next prime is 225122545253. The reversal of 225122545236 is 632545221522.

225122545236 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225122545194 and 225122545203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5790390 + ... + 5829138.

It is an arithmetic number, because the mean of its divisors is an integer number (11177670000).

Almost surely, 2^225122545236 is an apocalyptic number.

It is an amenable number.

225122545236 is an abundant number, since it is smaller than the sum of its proper divisors (311405614764).

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

225122545236 is a wasteful number, since it uses less digits than its factorization.

225122545236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49104 (or 49102 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

Adding to 225122545236 its reverse (632545221522), we get a palindrome (857667766758).

The spelling of 225122545236 in words is "two hundred twenty-five billion, one hundred twenty-two million, five hundred forty-five thousand, two hundred thirty-six".