225240322 has 4 divisors (see below), whose sum is σ = 337860486. Its totient is φ = 112620160.

The previous prime is 225240319. The next prime is 225240331. The reversal of 225240322 is 223042522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223042522 = 2 ⋅111521261.

It can be written as a sum of positive squares in only one way, i.e., 222039801 + 3200521 = 14901^2 + 1789^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 225240293 and 225240302.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 56310079 + ... + 56310082.

Almost surely, 2^225240322 is an apocalyptic number.

225240322 is a deficient number, since it is larger than the sum of its proper divisors (112620164).

225240322 is a wasteful number, since it uses less digits than its factorization.

225240322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112620163.

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

The square root of 225240322 is about 15008.0085954133. The cubic root of 225240322 is about 608.4366687201.

Adding to 225240322 its reverse (223042522), we get a palindrome (448282844).

The spelling of 225240322 in words is "two hundred twenty-five million, two hundred forty thousand, three hundred twenty-two".