225352242 has 24 divisors (see below), whose sum is σ = 490036716. Its totient is φ = 74844576.

The previous prime is 225352213. The next prime is 225352261. The reversal of 225352242 is 242253522.

It can be written as a sum of positive squares in 2 ways, for example, as 223472601 + 1879641 = 14949^2 + 1371^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17613 + ... + 27584.

Almost surely, 2^225352242 is an apocalyptic number.

225352242 is an abundant number, since it is smaller than the sum of its proper divisors (264684474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225352242 is a wasteful number, since it uses less digits than its factorization.

225352242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45482 (or 45479 counting only the distinct ones).

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

The square root of 225352242 is about 15011.7368082444. The cubic root of 225352242 is about 608.5374277015.

The spelling of 225352242 in words is "two hundred twenty-five million, three hundred fifty-two thousand, two hundred forty-two".