2192443 has 4 divisors (see below), whose sum is σ = 2391768. Its totient is φ = 1993120.

The previous prime is 2192431. The next prime is 2192459. The reversal of 2192443 is 3442912.

2192443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2192443 is a prime.

It is a Duffinian number.

2192443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2192423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99646 + ... + 99667.

It is an arithmetic number, because the mean of its divisors is an integer number (597942).

2^2192443 is an apocalyptic number.

2192443 is a deficient number, since it is larger than the sum of its proper divisors (199325).

2192443 is a wasteful number, since it uses less digits than its factorization.

2192443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199324.

The product of its digits is 1728, while the sum is 25.

The square root of 2192443 is about 1480.6900418386. The cubic root of 2192443 is about 129.9100561275.

It can be divided in two parts, 219 and 2443, that added together give a palindrome (2662).

The spelling of 2192443 in words is "two million, one hundred ninety-two thousand, four hundred forty-three".