225043201 has 16 divisors (see below), whose sum is σ = 249782400. Its totient is φ = 201788928.

The previous prime is 225043199. The next prime is 225043223. The reversal of 225043201 is 102340522.

It is a cyclic number.

It is not a de Polignac number, because 225043201 - 2¹ = 225043199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225043241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39735 + ... + 45043.

It is an arithmetic number, because the mean of its divisors is an integer number (15611400).

Almost surely, 2^225043201 is an apocalyptic number.

It is an amenable number.

225043201 is a deficient number, since it is larger than the sum of its proper divisors (24739199).

225043201 is a wasteful number, since it uses less digits than its factorization.

225043201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 225043201 is about 15001.4399642168. The cubic root of 225043201 is about 608.2591240601.

Adding to 225043201 its reverse (102340522), we get a palindrome (327383723).

It can be divided in two parts, 2250 and 43201, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 225043201 in words is "two hundred twenty-five million, forty-three thousand, two hundred one".