225504102 has 16 divisors (see below), whose sum is σ = 451167552. Its totient is φ = 75141480.

The previous prime is 225504091. The next prime is 225504107. The reversal of 225504102 is 201405522.

It is a happy number.

225504102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225504107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19953 + ... + 29139.

It is an arithmetic number, because the mean of its divisors is an integer number (28197972).

Almost surely, 2^225504102 is an apocalyptic number.

225504102 is an abundant number, since it is smaller than the sum of its proper divisors (225663450).

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

225504102 is a wasteful number, since it uses less digits than its factorization.

225504102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13283.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 225504102 is about 15016.7939987202. The cubic root of 225504102 is about 608.6740904100.

Adding to 225504102 its reverse (201405522), we get a palindrome (426909624).

The spelling of 225504102 in words is "two hundred twenty-five million, five hundred four thousand, one hundred two".