225023242 has 8 divisors (see below), whose sum is σ = 337976100. Its totient is φ = 112364544.

The previous prime is 225023231. The next prime is 225023243. The reversal of 225023242 is 242320522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 223532401 + 1490841 = 14951^2 + 1221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (225023243) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 71617 + ... + 74692.

Almost surely, 2^225023242 is an apocalyptic number.

225023242 is a deficient number, since it is larger than the sum of its proper divisors (112952858).

225023242 is a wasteful number, since it uses less digits than its factorization.

225023242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147080.

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

The square root of 225023242 is about 15000.7747133273. The cubic root of 225023242 is about 608.2411414346.

Adding to 225023242 its reverse (242320522), we get a palindrome (467343764).

The spelling of 225023242 in words is "two hundred twenty-five million, twenty-three thousand, two hundred forty-two".