4422243121 has 4 divisors (see below), whose sum is σ = 4422883392. Its totient is φ = 4421602852.

The previous prime is 4422243101. The next prime is 4422243131. The reversal of 4422243121 is 1213422244.

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 4422243121 - 2¹⁷ = 4422112049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4422243101) 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, 309661 + ... + 323626.

It is an arithmetic number, because the mean of its divisors is an integer number (1105720848).

Almost surely, 2^4422243121 is an apocalyptic number.

It is an amenable number.

4422243121 is a deficient number, since it is larger than the sum of its proper divisors (640271).

4422243121 is an equidigital number, since it uses as much as digits as its factorization.

4422243121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640270.

The product of its digits is 3072, while the sum is 25.

The square root of 4422243121 is about 66499.9482781754. The cubic root of 4422243121 is about 1641.3991531236.

Adding to 4422243121 its reverse (1213422244), we get a palindrome (5635665365).

The spelling of 4422243121 in words is "four billion, four hundred twenty-two million, two hundred forty-three thousand, one hundred twenty-one".