225063605021 has 8 divisors (see below), whose sum is σ = 232369023744. Its totient is φ = 217761017760.

The previous prime is 225063605009. The next prime is 225063605077. The reversal of 225063605021 is 120506360522.

225063605021 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 not a de Polignac number, because 225063605021 - 2¹⁸ = 225063342877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225063205021) 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 7 ways as a sum of consecutive naturals, for example, 545720 + ... + 864833.

It is an arithmetic number, because the mean of its divisors is an integer number (29046127968).

Almost surely, 2^225063605021 is an apocalyptic number.

It is an amenable number.

225063605021 is a deficient number, since it is larger than the sum of its proper divisors (7305418723).

225063605021 is a wasteful number, since it uses less digits than its factorization.

225063605021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415731.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 225063605021 its reverse (120506360522), we get a palindrome (345569965543).

The spelling of 225063605021 in words is "two hundred twenty-five billion, sixty-three million, six hundred five thousand, twenty-one".