225333245 has 4 divisors (see below), whose sum is σ = 270399900. Its totient is φ = 180266592.

The previous prime is 225333239. The next prime is 225333247. The reversal of 225333245 is 542333522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 165533956 + 59799289 = 12866^2 + 7733^2 .

It is a cyclic number.

It is not a de Polignac number, because 225333245 - 2¹⁰ = 225332221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225333247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22533320 + ... + 22533329.

It is an arithmetic number, because the mean of its divisors is an integer number (67599975).

Almost surely, 2^225333245 is an apocalyptic number.

It is an amenable number.

225333245 is a deficient number, since it is larger than the sum of its proper divisors (45066655).

225333245 is an equidigital number, since it uses as much as digits as its factorization.

225333245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45066654.

The product of its digits is 21600, while the sum is 29.

The square root of 225333245 is about 15011.1040566642. The cubic root of 225333245 is about 608.5203274939.

Adding to 225333245 its reverse (542333522), we get a palindrome (767666767).

The spelling of 225333245 in words is "two hundred twenty-five million, three hundred thirty-three thousand, two hundred forty-five".