2244143 has 4 divisors (see below), whose sum is σ = 2448168. Its totient is φ = 2040120.

The previous prime is 2244139. The next prime is 2244157. The reversal of 2244143 is 3414422.

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

It is a cyclic number.

It is not a de Polignac number, because 2244143 - 2² = 2244139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244163) 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, 101996 + ... + 102017.

It is an arithmetic number, because the mean of its divisors is an integer number (612042).

2^2244143 is an apocalyptic number.

2244143 is a deficient number, since it is larger than the sum of its proper divisors (204025).

2244143 is a wasteful number, since it uses less digits than its factorization.

2244143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204024.

The product of its digits is 768, while the sum is 20.

The square root of 2244143 is about 1498.0463944752. The cubic root of 2244143 is about 130.9232695577.

Adding to 2244143 its reverse (3414422), we get a palindrome (5658565).

The spelling of 2244143 in words is "two million, two hundred forty-four thousand, one hundred forty-three".