225384205 has 16 divisors (see below), whose sum is σ = 280344240. Its totient is φ = 173809152.

The previous prime is 225384197. The next prime is 225384209. The reversal of 225384205 is 502483522.

It can be written as a sum of positive squares in 8 ways, for example, as 46199209 + 179184996 = 6797^2 + 13386^2 .

It is a cyclic number.

It is not a de Polignac number, because 225384205 - 2³ = 225384197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225384209) 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, 14577 + ... + 25753.

It is an arithmetic number, because the mean of its divisors is an integer number (17521515).

Almost surely, 2^225384205 is an apocalyptic number.

It is an amenable number.

225384205 is a deficient number, since it is larger than the sum of its proper divisors (54960035).

225384205 is a wasteful number, since it uses less digits than its factorization.

225384205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 225384205 is about 15012.8013708302. The cubic root of 225384205 is about 608.5661971250.

The spelling of 225384205 in words is "two hundred twenty-five million, three hundred eighty-four thousand, two hundred five".