225354165 has 16 divisors (see below), whose sum is σ = 365949888. Its totient is φ = 118394496.

The previous prime is 225354137. The next prime is 225354197. The reversal of 225354165 is 561453522.

It is not a de Polignac number, because 225354165 - 2⁷ = 225354037 is a prime.

It is a super-3 number, since 3×225354165³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111112 + ... + 113121.

It is an arithmetic number, because the mean of its divisors is an integer number (22871868).

Almost surely, 2^225354165 is an apocalyptic number.

It is an amenable number.

225354165 is a deficient number, since it is larger than the sum of its proper divisors (140595723).

225354165 is a wasteful number, since it uses less digits than its factorization.

225354165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224308.

The product of its digits is 36000, while the sum is 33.

The square root of 225354165 is about 15011.8008579917. The cubic root of 225354165 is about 608.5391586423.

The spelling of 225354165 in words is "two hundred twenty-five million, three hundred fifty-four thousand, one hundred sixty-five".