4422442243 has 4 divisors (see below), whose sum is σ = 4422576888. Its totient is φ = 4422307600.

The previous prime is 4422442229. The next prime is 4422442301. The reversal of 4422442243 is 3422442244.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4422442243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4422442043) 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, 17943 + ... + 95743.

It is an arithmetic number, because the mean of its divisors is an integer number (1105644222).

Almost surely, 2^4422442243 is an apocalyptic number.

4422442243 is a deficient number, since it is larger than the sum of its proper divisors (134645).

4422442243 is an equidigital number, since it uses as much as digits as its factorization.

4422442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134644.

The product of its digits is 49152, while the sum is 31.

The square root of 4422442243 is about 66501.4454203817. The cubic root of 4422442243 is about 1641.4237887190.

Adding to 4422442243 its reverse (3422442244), we get a palindrome (7844884487).

Subtracting from 4422442243 its reverse (3422442244), we obtain a palindrome (999999999).

The spelling of 4422442243 in words is "four billion, four hundred twenty-two million, four hundred forty-two thousand, two hundred forty-three".