226236665 has 16 divisors (see below), whose sum is σ = 276307200. Its totient is φ = 177800832.

The previous prime is 226236643. The next prime is 226236679. The reversal of 226236665 is 566632622.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 226236665 - 2¹⁸ = 225974521 is a prime.

It is a Curzon 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, 70976 + ... + 74094.

It is an arithmetic number, because the mean of its divisors is an integer number (17269200).

Almost surely, 2^226236665 is an apocalyptic number.

It is an amenable number.

226236665 is a deficient number, since it is larger than the sum of its proper divisors (50070535).

226236665 is a wasteful number, since it uses less digits than its factorization.

226236665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376.

The product of its digits is 155520, while the sum is 38.

The square root of 226236665 is about 15041.1656795609. The cubic root of 226236665 is about 609.3324822055.

The spelling of 226236665 in words is "two hundred twenty-six million, two hundred thirty-six thousand, six hundred sixty-five".