225013055 has 4 divisors (see below), whose sum is σ = 270015672. Its totient is φ = 180010440.

The previous prime is 225013051. The next prime is 225013057. The reversal of 225013055 is 550310522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550310522 = 2 ⋅275155261.

It is not a de Polignac number, because 225013055 - 2² = 225013051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225013055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225013051) 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, 22501301 + ... + 22501310.

It is an arithmetic number, because the mean of its divisors is an integer number (67503918).

Almost surely, 2^225013055 is an apocalyptic number.

225013055 is a deficient number, since it is larger than the sum of its proper divisors (45002617).

225013055 is an equidigital number, since it uses as much as digits as its factorization.

225013055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45002616.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 225013055 is about 15000.4351603545. The cubic root of 225013055 is about 608.2319627590.

Adding to 225013055 its reverse (550310522), we get a palindrome (775323577).

The spelling of 225013055 in words is "two hundred twenty-five million, thirteen thousand, fifty-five".