225575015 has 8 divisors (see below), whose sum is σ = 270771360. Its totient is φ = 180405792.

The previous prime is 225574957. The next prime is 225575017. The reversal of 225575015 is 510575522.

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 225575015 - 2²⁶ = 158466151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225575017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25502 + ... + 33188.

It is an arithmetic number, because the mean of its divisors is an integer number (33846420).

Almost surely, 2^225575015 is an apocalyptic number.

225575015 is a deficient number, since it is larger than the sum of its proper divisors (45196345).

225575015 is an equidigital number, since it uses as much as digits as its factorization.

225575015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13561.

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 225575015 is about 15019.1549362805. The cubic root of 225575015 is about 608.7378858233.

It can be divided in two parts, 22557 and 5015, that added together give a palindrome (27572).

The spelling of 225575015 in words is "two hundred twenty-five million, five hundred seventy-five thousand, fifteen".