2240066443 has 4 divisors (see below), whose sum is σ = 2250111808. Its totient is φ = 2230021080.

The previous prime is 2240066441. The next prime is 2240066449. The reversal of 2240066443 is 3446600422.

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 2240066443 - 2¹ = 2240066441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240066441) 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, 5022348 + ... + 5022793.

It is an arithmetic number, because the mean of its divisors is an integer number (562527952).

Almost surely, 2^2240066443 is an apocalyptic number.

2240066443 is a deficient number, since it is larger than the sum of its proper divisors (10045365).

2240066443 is a wasteful number, since it uses less digits than its factorization.

2240066443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045364.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 2240066443 is about 47329.3401918937. The cubic root of 2240066443 is about 1308.4394608201.

Adding to 2240066443 its reverse (3446600422), we get a palindrome (5686666865).

The spelling of 2240066443 in words is "two billion, two hundred forty million, sixty-six thousand, four hundred forty-three".