225351578 has 8 divisors (see below), whose sum is σ = 338424372. Its totient is φ = 112543456.

The previous prime is 225351569. The next prime is 225351613. The reversal of 225351578 is 875153522.

It can be written as a sum of positive squares in 2 ways, for example, as 162894169 + 62457409 = 12763^2 + 7903^2 .

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

It is an unprimeable number.

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, 64025 + ... + 67452.

Almost surely, 2^225351578 is an apocalyptic number.

225351578 is a deficient number, since it is larger than the sum of its proper divisors (113072794).

225351578 is a wasteful number, since it uses less digits than its factorization.

225351578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132336.

The product of its digits is 84000, while the sum is 38.

The square root of 225351578 is about 15011.7146921996. The cubic root of 225351578 is about 608.5368300161.

The spelling of 225351578 in words is "two hundred twenty-five million, three hundred fifty-one thousand, five hundred seventy-eight".