225575615 has 8 divisors (see below), whose sum is σ = 271546560. Its totient is φ = 179889952.

The previous prime is 225575593. The next prime is 225575629. The reversal of 225575615 is 516575522.

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

It is a cyclic number.

It is not a de Polignac number, because 225575615 - 2⁶ = 225575551 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69575 + ... + 72744.

It is an arithmetic number, because the mean of its divisors is an integer number (33943320).

Almost surely, 2^225575615 is an apocalyptic number.

225575615 is a deficient number, since it is larger than the sum of its proper divisors (45970945).

225575615 is a wasteful number, since it uses less digits than its factorization.

225575615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142641.

The product of its digits is 105000, while the sum is 38.

The square root of 225575615 is about 15019.1749107599. The cubic root of 225575615 is about 608.7384255438.

The spelling of 225575615 in words is "two hundred twenty-five million, five hundred seventy-five thousand, six hundred fifteen".