225717346 has 4 divisors (see below), whose sum is σ = 338576022. Its totient is φ = 112858672.

The previous prime is 225717343. The next prime is 225717361. The reversal of 225717346 is 643717522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 213890625 + 11826721 = 14625^2 + 3439^2 .

It is not an unprimeable number, because it can be changed into a prime (225717343) 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 as a sum of consecutive naturals, namely, 56429335 + ... + 56429338.

Almost surely, 2^225717346 is an apocalyptic number.

225717346 is a deficient number, since it is larger than the sum of its proper divisors (112858676).

225717346 is a wasteful number, since it uses less digits than its factorization.

225717346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112858675.

The product of its digits is 70560, while the sum is 37.

The square root of 225717346 is about 15023.8925049403. The cubic root of 225717346 is about 608.8658906255.

The spelling of 225717346 in words is "two hundred twenty-five million, seven hundred seventeen thousand, three hundred forty-six".