225003055 has 4 divisors (see below), whose sum is σ = 270003672. Its totient is φ = 180002440.

The previous prime is 225003019. The next prime is 225003059. The reversal of 225003055 is 550300522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550300522 = 2 ⋅275150261.

It is not a de Polignac number, because 225003055 - 2¹³ = 224994863 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225003059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22500301 + ... + 22500310.

It is an arithmetic number, because the mean of its divisors is an integer number (67500918).

Almost surely, 2^225003055 is an apocalyptic number.

225003055 is a deficient number, since it is larger than the sum of its proper divisors (45000617).

225003055 is an equidigital number, since it uses as much as digits as its factorization.

225003055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45000616.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 225003055 is about 15000.1018329877. The cubic root of 225003055 is about 608.2229523045. Note that the first 3 decimals are identical.

Adding to 225003055 its reverse (550300522), we get a palindrome (775303577).

The spelling of 225003055 in words is "two hundred twenty-five million, three thousand, fifty-five".