225350665 has 32 divisors (see below), whose sum is σ = 291050496. Its totient is φ = 167101440.

The previous prime is 225350641. The next prime is 225350717. The reversal of 225350665 is 566053522.

It is not a de Polignac number, because 225350665 - 2⁷ = 225350537 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 225350665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934945 + ... + 935185.

It is an arithmetic number, because the mean of its divisors is an integer number (9095328).

Almost surely, 2^225350665 is an apocalyptic number.

It is an amenable number.

225350665 is a deficient number, since it is larger than the sum of its proper divisors (65699831).

225350665 is a wasteful number, since it uses less digits than its factorization.

225350665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 225350665 is about 15011.6842825847. The cubic root of 225350665 is about 608.5360081967.

The spelling of 225350665 in words is "two hundred twenty-five million, three hundred fifty thousand, six hundred sixty-five".