2236665 has 8 divisors (see below), whose sum is σ = 3578688. Its totient is φ = 1192880.

The previous prime is 2236657. The next prime is 2236667. The reversal of 2236665 is 5666322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2236665 - 2³ = 2236657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2236667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74541 + ... + 74570.

It is an arithmetic number, because the mean of its divisors is an integer number (447336).

2^2236665 is an apocalyptic number.

It is an amenable number.

2236665 is a deficient number, since it is larger than the sum of its proper divisors (1342023).

2236665 is a wasteful number, since it uses less digits than its factorization.

2236665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149119.

The product of its digits is 12960, while the sum is 30.

The square root of 2236665 is about 1495.5483944025. The cubic root of 2236665 is about 130.7776855948. Note that the first 3 decimals are identical.

The spelling of 2236665 in words is "two million, two hundred thirty-six thousand, six hundred sixty-five".