225170135 has 4 divisors (see below), whose sum is σ = 270204168. Its totient is φ = 180136104.

The previous prime is 225170087. The next prime is 225170149. The reversal of 225170135 is 531071522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225170135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22517009 + ... + 22517018.

It is an arithmetic number, because the mean of its divisors is an integer number (67551042).

Almost surely, 2^225170135 is an apocalyptic number.

225170135 is a deficient number, since it is larger than the sum of its proper divisors (45034033).

225170135 is an equidigital number, since it uses as much as digits as its factorization.

225170135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45034032.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 225170135 is about 15005.6700950008. The cubic root of 225170135 is about 608.3734639609.

The spelling of 225170135 in words is "two hundred twenty-five million, one hundred seventy thousand, one hundred thirty-five".