4432221121 has 4 divisors (see below), whose sum is σ = 4435022592. Its totient is φ = 4429419652.

The previous prime is 4432221107. The next prime is 4432221127. The reversal of 4432221121 is 1211222344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4432221121 - 2⁷ = 4432220993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4432221092 and 4432221101.

It is not an unprimeable number, because it can be changed into a prime (4432221127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398361 + ... + 1401526.

It is an arithmetic number, because the mean of its divisors is an integer number (1108755648).

Almost surely, 2^4432221121 is an apocalyptic number.

It is an amenable number.

4432221121 is a deficient number, since it is larger than the sum of its proper divisors (2801471).

4432221121 is a wasteful number, since it uses less digits than its factorization.

4432221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801470.

The product of its digits is 768, while the sum is 22.

The square root of 4432221121 is about 66574.9286218168. The cubic root of 4432221121 is about 1642.6327335941.

Adding to 4432221121 its reverse (1211222344), we get a palindrome (5643443465).

The spelling of 4432221121 in words is "four billion, four hundred thirty-two million, two hundred twenty-one thousand, one hundred twenty-one".