225554565455522 has 4 divisors (see below), whose sum is σ = 338331848183286. Its totient is φ = 112777282727760.

The previous prime is 225554565455521. The next prime is 225554565455533.

225554565455522 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 178266263986321 + 47288301469201 = 13351639^2 + 6876649^2 .

It is not an unprimeable number, because it can be changed into a prime (225554565455521) 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 as a sum of consecutive naturals, namely, 56388641363879 + ... + 56388641363882.

Almost surely, 2^{225554565455522} is an apocalyptic number.

225554565455522 is a deficient number, since it is larger than the sum of its proper divisors (112777282727764).

225554565455522 is a wasteful number, since it uses less digits than its factorization.

225554565455522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112777282727763.

The product of its digits is 600000000, while the sum is 62.

The spelling of 225554565455522 in words is "two hundred twenty-five trillion, five hundred fifty-four billion, five hundred sixty-five million, four hundred fifty-five thousand, five hundred twenty-two".