4424002121 has 24 divisors (see below), whose sum is σ = 5619962880. Its totient is φ = 3408482880.

The previous prime is 4424002111. The next prime is 4424002129. The reversal of 4424002121 is 1212004244.

4424002121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4424002121 - 2²² = 4419807817 is a prime.

It is a super-2 number, since 2×4424002121² = 39143589533224997282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4424002093 and 4424002102.

It is not an unprimeable number, because it can be changed into a prime (4424002129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46040 + ... + 104726.

It is an arithmetic number, because the mean of its divisors is an integer number (234165120).

Almost surely, 2^4424002121 is an apocalyptic number.

It is an amenable number.

4424002121 is a deficient number, since it is larger than the sum of its proper divisors (1195960759).

4424002121 is a wasteful number, since it uses less digits than its factorization.

4424002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58805 (or 58794 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4424002121 is about 66513.1725374756. The cubic root of 4424002121 is about 1641.6167529787.

Adding to 4424002121 its reverse (1212004244), we get a palindrome (5636006365).

The spelling of 4424002121 in words is "four billion, four hundred twenty-four million, two thousand, one hundred twenty-one".