225346165 has 12 divisors (see below), whose sum is σ = 297234252. Its totient is φ = 163887680.

The previous prime is 225346103. The next prime is 225346217. The reversal of 225346165 is 561643522.

It can be written as a sum of positive squares in 2 ways, for example, as 163660849 + 61685316 = 12793^2 + 7854^2 .

It is not a de Polignac number, because 225346165 - 2¹⁵ = 225313397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225346165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185632 + ... + 186841.

It is an arithmetic number, because the mean of its divisors is an integer number (24769521).

Almost surely, 2^225346165 is an apocalyptic number.

It is an amenable number.

225346165 is a deficient number, since it is larger than the sum of its proper divisors (71888087).

225346165 is a wasteful number, since it uses less digits than its factorization.

225346165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372500 (or 372489 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 225346165 is about 15011.5343985883. The cubic root of 225346165 is about 608.5319575759.

Adding to 225346165 its reverse (561643522), we get a palindrome (786989687).

The spelling of 225346165 in words is "two hundred twenty-five million, three hundred forty-six thousand, one hundred sixty-five".