225123122636 has 12 divisors (see below), whose sum is σ = 394088948400. Its totient is φ = 112526280240.

The previous prime is 225123122633. The next prime is 225123122683. The reversal of 225123122636 is 636221321522.

225123122636 is digitally balanced in base 2, because in such base 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 = 225123122596 and 225123122605.

It is not an unprimeable number, because it can be changed into a prime (225123122633) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8805911 + ... + 8831438.

It is an arithmetic number, because the mean of its divisors is an integer number (32840745700).

Almost surely, 2^225123122636 is an apocalyptic number.

It is an amenable number.

225123122636 is a deficient number, since it is larger than the sum of its proper divisors (168965825764).

225123122636 is a wasteful number, since it uses less digits than its factorization.

225123122636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640544 (or 17640542 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The spelling of 225123122636 in words is "two hundred twenty-five billion, one hundred twenty-three million, one hundred twenty-two thousand, six hundred thirty-six".