4444422443 has 4 divisors (see below), whose sum is σ = 4449456648. Its totient is φ = 4439388240.

The previous prime is 4444422407. The next prime is 4444422461. The reversal of 4444422443 is 3442244444.

It is a happy number.

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 4444422443 - 2⁸ = 4444422187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444422743) 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, 2515778 + ... + 2517543.

It is an arithmetic number, because the mean of its divisors is an integer number (1112364162).

Almost surely, 2^4444422443 is an apocalyptic number.

4444422443 is a deficient number, since it is larger than the sum of its proper divisors (5034205).

4444422443 is an equidigital number, since it uses as much as digits as its factorization.

4444422443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034204.

The product of its digits is 196608, while the sum is 35.

The square root of 4444422443 is about 66666.5016556291. The cubic root of 4444422443 is about 1644.1386698711.

Adding to 4444422443 its reverse (3442244444), we get a palindrome (7886666887).

The spelling of 4444422443 in words is "four billion, four hundred forty-four million, four hundred twenty-two thousand, four hundred forty-three".