225655606556522 has 8 divisors (see below), whose sum is σ = 338483493419076. Its totient is φ = 112827775416832.

The previous prime is 225655606556473. The next prime is 225655606556557.

It is a happy number.

225655606556522 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 221905384527121 + 3750222029401 = 14896489^2 + 1936549^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636823 + ... + 21307050.

Almost surely, 2^{225655606556522} is an apocalyptic number.

225655606556522 is a deficient number, since it is larger than the sum of its proper divisors (112827886862554).

225655606556522 is a wasteful number, since it uses less digits than its factorization.

225655606556522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27861432.

The product of its (nonzero) digits is 324000000, while the sum is 62.

Subtracting from 225655606556522 its product of nonzero digits (324000000), we obtain a palindrome (225655282556522).

The spelling of 225655606556522 in words is "two hundred twenty-five trillion, six hundred fifty-five billion, six hundred six million, five hundred fifty-six thousand, five hundred twenty-two".