225425233 has 16 divisors (see below), whose sum is σ = 249509952. Its totient is φ = 201960000.

The previous prime is 225425203. The next prime is 225425279. The reversal of 225425233 is 332524522.

It is a happy number.

It is not a de Polignac number, because 225425233 - 2¹⁷ = 225294161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225425203) 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, 367435 + ... + 368047.

It is an arithmetic number, because the mean of its divisors is an integer number (15594372).

Almost surely, 2^225425233 is an apocalyptic number.

It is an amenable number.

225425233 is a deficient number, since it is larger than the sum of its proper divisors (24084719).

225425233 is a wasteful number, since it uses less digits than its factorization.

225425233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056.

The product of its digits is 14400, while the sum is 28.

The square root of 225425233 is about 15014.1677425024. The cubic root of 225425233 is about 608.6031218347.

Adding to 225425233 its reverse (332524522), we get a palindrome (557949755).

The spelling of 225425233 in words is "two hundred twenty-five million, four hundred twenty-five thousand, two hundred thirty-three".