225044455 has 16 divisors (see below), whose sum is σ = 285930720. Its totient is φ = 169561728.

The previous prime is 225044441. The next prime is 225044459. The reversal of 225044455 is 554440522.

It is a cyclic number.

It is not a de Polignac number, because 225044455 - 2⁵ = 225044423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225044459) 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 15 ways as a sum of consecutive naturals, for example, 9589 + ... + 23281.

It is an arithmetic number, because the mean of its divisors is an integer number (17870670).

Almost surely, 2^225044455 is an apocalyptic number.

225044455 is a deficient number, since it is larger than the sum of its proper divisors (60886265).

225044455 is a wasteful number, since it uses less digits than its factorization.

225044455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 225044455 is about 15001.4817601462. The cubic root of 225044455 is about 608.2602538513.

Adding to 225044455 its reverse (554440522), we get a palindrome (779484977).

The spelling of 225044455 in words is "two hundred twenty-five million, forty-four thousand, four hundred fifty-five".