4424112021 has 32 divisors (see below), whose sum is σ = 7107084288. Its totient is φ = 2394443520.

The previous prime is 4424112013. The next prime is 4424112071. The reversal of 4424112021 is 1202114244.

It is not a de Polignac number, because 4424112021 - 2³ = 4424112013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4424112071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41700 + ... + 102893.

It is an arithmetic number, because the mean of its divisors is an integer number (222096384).

Almost surely, 2^4424112021 is an apocalyptic number.

It is an amenable number.

4424112021 is a deficient number, since it is larger than the sum of its proper divisors (2682972267).

4424112021 is a wasteful number, since it uses less digits than its factorization.

4424112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144681.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4424112021 is about 66513.9986844875. The cubic root of 4424112021 is about 1641.6303464160.

Adding to 4424112021 its reverse (1202114244), we get a palindrome (5626226265).

The spelling of 4424112021 in words is "four billion, four hundred twenty-four million, one hundred twelve thousand, twenty-one".