2285443943 has 4 divisors (see below), whose sum is σ = 2419881840. Its totient is φ = 2151006048.

The previous prime is 2285443933. The next prime is 2285443973. The reversal of 2285443943 is 3493445822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3493445822 = 2 ⋅1746722911.

It is a cyclic number.

It is not a de Polignac number, because 2285443943 - 2¹⁰ = 2285442919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2285443894 and 2285443903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285443903) 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, 67218923 + ... + 67218956.

It is an arithmetic number, because the mean of its divisors is an integer number (604970460).

Almost surely, 2^2285443943 is an apocalyptic number.

2285443943 is a deficient number, since it is larger than the sum of its proper divisors (134437897).

2285443943 is a wasteful number, since it uses less digits than its factorization.

2285443943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134437896.

The product of its digits is 829440, while the sum is 44.

The square root of 2285443943 is about 47806.3169779894. The cubic root of 2285443943 is about 1317.2155767249.

The spelling of 2285443943 in words is "two billion, two hundred eighty-five million, four hundred forty-three thousand, nine hundred forty-three".