2144317 has 4 divisors (see below), whose sum is σ = 2450656. Its totient is φ = 1837980.

The previous prime is 2144309. The next prime is 2144323. The reversal of 2144317 is 7134412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2144317 - 2³ = 2144309 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144117) 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, 153159 + ... + 153172.

It is an arithmetic number, because the mean of its divisors is an integer number (612664).

2^2144317 is an apocalyptic number.

It is an amenable number.

2144317 is a deficient number, since it is larger than the sum of its proper divisors (306339).

2144317 is an equidigital number, since it uses as much as digits as its factorization.

2144317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306338.

The product of its digits is 672, while the sum is 22.

The square root of 2144317 is about 1464.3486606679. The cubic root of 2144317 is about 128.9524693190.

Adding to 2144317 its reverse (7134412), we get a palindrome (9278729).

The spelling of 2144317 in words is "two million, one hundred forty-four thousand, three hundred seventeen".