225655631554 has 8 divisors (see below), whose sum is σ = 338709258000. Its totient is φ = 112752545556.

The previous prime is 225655631491. The next prime is 225655631569. The reversal of 225655631554 is 455136556522.

225655631554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 225655631498 and 225655631507.

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 3 ways as a sum of consecutive naturals, for example, 37631364 + ... + 37637359.

It is an arithmetic number, because the mean of its divisors is an integer number (42338657250).

Almost surely, 2^225655631554 is an apocalyptic number.

225655631554 is a deficient number, since it is larger than the sum of its proper divisors (113053626446).

225655631554 is a wasteful number, since it uses less digits than its factorization.

225655631554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75270224.

The product of its digits is 5400000, while the sum is 49.

The spelling of 225655631554 in words is "two hundred twenty-five billion, six hundred fifty-five million, six hundred thirty-one thousand, five hundred fifty-four".