225450231055 has 16 divisors (see below), whose sum is σ = 309197790720. Its totient is φ = 154589992992.

The previous prime is 225450231053. The next prime is 225450231091. The reversal of 225450231055 is 550132054522.

It is a cyclic number.

It is not a de Polignac number, because 225450231055 - 2¹ = 225450231053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225450231055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225450231053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1550172 + ... + 1689358.

It is an arithmetic number, because the mean of its divisors is an integer number (19324861920).

Almost surely, 2^225450231055 is an apocalyptic number.

225450231055 is a deficient number, since it is larger than the sum of its proper divisors (83747559665).

225450231055 is a wasteful number, since it uses less digits than its factorization.

225450231055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185478.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 225450231055 its reverse (550132054522), we get a palindrome (775582285577).

The spelling of 225450231055 in words is "two hundred twenty-five billion, four hundred fifty million, two hundred thirty-one thousand, fifty-five".