225530355 has 16 divisors (see below), whose sum is σ = 370602144. Its totient is φ = 117031680.

The previous prime is 225530351. The next prime is 225530377. The reversal of 225530355 is 553035522.

It is not a de Polignac number, because 225530355 - 2² = 225530351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225530351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202626 + ... + 203735.

It is an arithmetic number, because the mean of its divisors is an integer number (23162634).

Almost surely, 2^225530355 is an apocalyptic number.

225530355 is a deficient number, since it is larger than the sum of its proper divisors (145071789).

225530355 is a wasteful number, since it uses less digits than its factorization.

225530355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406406.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 225530355 is about 15017.6680946144. The cubic root of 225530355 is about 608.6977099372.

Adding to 225530355 its reverse (553035522), we get a palindrome (778565877).

The spelling of 225530355 in words is "two hundred twenty-five million, five hundred thirty thousand, three hundred fifty-five".