225201122455 has 4 divisors (see below), whose sum is σ = 270241346952. Its totient is φ = 180160897960.

The previous prime is 225201122441. The next prime is 225201122491. The reversal of 225201122455 is 554221102522.

225201122455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 225201122455 - 2³⁷ = 87762168983 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 22520112241 + ... + 22520112250.

It is an arithmetic number, because the mean of its divisors is an integer number (67560336738).

Almost surely, 2^225201122455 is an apocalyptic number.

225201122455 is a deficient number, since it is larger than the sum of its proper divisors (45040224497).

225201122455 is an equidigital number, since it uses as much as digits as its factorization.

225201122455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45040224496.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 225201122455 its reverse (554221102522), we get a palindrome (779422224977).

The spelling of 225201122455 in words is "two hundred twenty-five billion, two hundred one million, one hundred twenty-two thousand, four hundred fifty-five".