225425223 has 6 divisors (see below), whose sum is σ = 325614224. Its totient is φ = 150283476.

The previous prime is 225425203. The next prime is 225425279. The reversal of 225425223 is 322524522.

It is not a de Polignac number, because 225425223 - 2⁵ = 225425191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225425203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12523615 + ... + 12523632.

Almost surely, 2^225425223 is an apocalyptic number.

225425223 is a deficient number, since it is larger than the sum of its proper divisors (100189001).

225425223 is a wasteful number, since it uses less digits than its factorization.

225425223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25047253 (or 25047250 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 225425223 is about 15014.1674094836. The cubic root of 225425223 is about 608.6031128354.

Adding to 225425223 its reverse (322524522), we get a palindrome (547949745).

It can be divided in two parts, 22 and 5425223, that added together give a palindrome (5425245).

The spelling of 225425223 in words is "two hundred twenty-five million, four hundred twenty-five thousand, two hundred twenty-three".