4224424445 has 4 divisors (see below), whose sum is σ = 5069309340. Its totient is φ = 3379539552.

The previous prime is 4224424429. The next prime is 4224424453. The reversal of 4224424445 is 5444244224.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 555214969 + 3669209476 = 23563^2 + 60574^2 .

It is a cyclic number.

It is not a de Polignac number, because 4224424445 - 2⁴ = 4224424429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422442440 + ... + 422442449.

It is an arithmetic number, because the mean of its divisors is an integer number (1267327335).

Almost surely, 2^4224424445 is an apocalyptic number.

It is an amenable number.

4224424445 is a deficient number, since it is larger than the sum of its proper divisors (844884895).

4224424445 is an equidigital number, since it uses as much as digits as its factorization.

4224424445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844884894.

The product of its digits is 163840, while the sum is 35.

The square root of 4224424445 is about 64995.5725030559. The cubic root of 4224424445 is about 1616.5501505049.

Adding to 4224424445 its reverse (5444244224), we get a palindrome (9668668669).

The spelling of 4224424445 in words is "four billion, two hundred twenty-four million, four hundred twenty-four thousand, four hundred forty-five".