225255433455 has 192 divisors, whose sum is σ = 465162227712. Its totient is φ = 99776655360.

The previous prime is 225255433439. The next prime is 225255433457. The reversal of 225255433455 is 554334552522.

225255433455 is a `hidden beast` number, since 2 + 2 + 5 + 25 + 543 + 34 + 55 = 666.

225255433455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225255433455 - 2⁴ = 225255433439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 225255433455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225255433457) 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 191 ways as a sum of consecutive naturals, for example, 25584084 + ... + 25592886.

It is an arithmetic number, because the mean of its divisors is an integer number (2422719936).

Almost surely, 2^225255433455 is an apocalyptic number.

225255433455 is an abundant number, since it is smaller than the sum of its proper divisors (239906794257).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225255433455 is a wasteful number, since it uses less digits than its factorization.

225255433455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958 (or 8955 counting only the distinct ones).

The product of its digits is 3600000, while the sum is 45.

Adding to 225255433455 its reverse (554334552522), we get a palindrome (779589985977).

The spelling of 225255433455 in words is "two hundred twenty-five billion, two hundred fifty-five million, four hundred thirty-three thousand, four hundred fifty-five".