225242203 has 4 divisors (see below), whose sum is σ = 225275248. Its totient is φ = 225209160.

The previous prime is 225242167. The next prime is 225242239. The reversal of 225242203 is 302242522.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (225242167) and next prime (225242239).

It is a cyclic number.

It is not a de Polignac number, because 225242203 - 2²¹ = 223145051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225242263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103 + ... + 21328.

It is an arithmetic number, because the mean of its divisors is an integer number (56318812).

Almost surely, 2^225242203 is an apocalyptic number.

225242203 is a deficient number, since it is larger than the sum of its proper divisors (33045).

225242203 is an equidigital number, since it uses as much as digits as its factorization.

225242203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33044.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 225242203 is about 15008.0712618244. The cubic root of 225242203 is about 608.4383624165.

Adding to 225242203 its reverse (302242522), we get a palindrome (527484725).

The spelling of 225242203 in words is "two hundred twenty-five million, two hundred forty-two thousand, two hundred three".