226870665 has 32 divisors (see below), whose sum is σ = 418542336. Its totient is φ = 102789120.

The previous prime is 226870619. The next prime is 226870667. The reversal of 226870665 is 566078622.

It is not a de Polignac number, because 226870665 - 2⁹ = 226870153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226870667) by changing a digit.

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, 2305 + ... + 21425.

It is an arithmetic number, because the mean of its divisors is an integer number (13079448).

Almost surely, 2^226870665 is an apocalyptic number.

It is an amenable number.

226870665 is a deficient number, since it is larger than the sum of its proper divisors (191671671).

226870665 is a wasteful number, since it uses less digits than its factorization.

226870665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19249.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 226870665 is about 15062.2264290509. The cubic root of 226870665 is about 609.9011440628.

The spelling of 226870665 in words is "two hundred twenty-six million, eight hundred seventy thousand, six hundred sixty-five".