225017546 has 8 divisors (see below), whose sum is σ = 363489924. Its totient is φ = 103854240.

The previous prime is 225017503. The next prime is 225017549. The reversal of 225017546 is 645710522.

It can be written as a sum of positive squares in 2 ways, for example, as 192127321 + 32890225 = 13861^2 + 5735^2 .

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 (225017549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4327235 + ... + 4327286.

Almost surely, 2^225017546 is an apocalyptic number.

225017546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

225017546 is a deficient number, since it is larger than the sum of its proper divisors (138472378).

225017546 is a wasteful number, since it uses less digits than its factorization.

225017546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8654536.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 225017546 is about 15000.5848552648. The cubic root of 225017546 is about 608.2360092673.

The spelling of 225017546 in words is "two hundred twenty-five million, seventeen thousand, five hundred forty-six".