2231017 has 4 divisors (see below), whose sum is σ = 2239956. Its totient is φ = 2222080.

The previous prime is 2231011. The next prime is 2231027. The reversal of 2231017 is 7101322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2062096 + 168921 = 1436^2 + 411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231017 is a prime.

It is a super-3 number, since 3×2231017³ = 33314238715035845739, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4084 + ... + 4597.

It is an arithmetic number, because the mean of its divisors is an integer number (559989).

2^2231017 is an apocalyptic number.

It is an amenable number.

2231017 is a deficient number, since it is larger than the sum of its proper divisors (8939).

2231017 is an equidigital number, since it uses as much as digits as its factorization.

2231017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8938.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2231017 is about 1493.6589302783. The cubic root of 2231017 is about 130.6675133859.

Adding to 2231017 its reverse (7101322), we get a palindrome (9332339).

The spelling of 2231017 in words is "two million, two hundred thirty-one thousand, seventeen".