225102055 has 4 divisors (see below), whose sum is σ = 270122472. Its totient is φ = 180081640.

The previous prime is 225102041. The next prime is 225102061. The reversal of 225102055 is 550201522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 225102055 - 2¹⁵ = 225069287 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22510201 + ... + 22510210.

It is an arithmetic number, because the mean of its divisors is an integer number (67530618).

Almost surely, 2^225102055 is an apocalyptic number.

225102055 is a deficient number, since it is larger than the sum of its proper divisors (45020417).

225102055 is an equidigital number, since it uses as much as digits as its factorization.

225102055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45020416.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 225102055 is about 15003.4014476718. The cubic root of 225102055 is about 608.3121440463.

Adding to 225102055 its reverse (550201522), we get a palindrome (775303577).

The spelling of 225102055 in words is "two hundred twenty-five million, one hundred two thousand, fifty-five".