225353242 has 8 divisors (see below), whose sum is σ = 338132916. Its totient is φ = 112642272.

The previous prime is 225353237. The next prime is 225353257. The reversal of 225353242 is 242353522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 221146641 + 4206601 = 14871^2 + 2051^2 .

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

It is a super-3 number, since 3×225353242³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225353242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7993 + ... + 22684.

Almost surely, 2^225353242 is an apocalyptic number.

225353242 is a deficient number, since it is larger than the sum of its proper divisors (112779674).

225353242 is a wasteful number, since it uses less digits than its factorization.

225353242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34352.

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

The square root of 225353242 is about 15011.7701154794. The cubic root of 225353242 is about 608.5383278279.

The spelling of 225353242 in words is "two hundred twenty-five million, three hundred fifty-three thousand, two hundred forty-two".