2222431121 has 8 divisors (see below), whose sum is σ = 2343052320. Its totient is φ = 2102175072.

The previous prime is 2222431111. The next prime is 2222431151. The reversal of 2222431121 is 1211342222.

2222431121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2222431121 - 2¹⁴ = 2222414737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222431093 and 2222431102.

It is not an unprimeable number, because it can be changed into a prime (2222431111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78740 + ... + 103173.

It is an arithmetic number, because the mean of its divisors is an integer number (292881540).

Almost surely, 2^2222431121 is an apocalyptic number.

It is an amenable number.

2222431121 is a deficient number, since it is larger than the sum of its proper divisors (120621199).

2222431121 is a wasteful number, since it uses less digits than its factorization.

2222431121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182575.

The product of its digits is 384, while the sum is 20.

The square root of 2222431121 is about 47142.6677331693. The cubic root of 2222431121 is about 1304.9967696617.

Adding to 2222431121 its reverse (1211342222), we get a palindrome (3433773343).

The spelling of 2222431121 in words is "two billion, two hundred twenty-two million, four hundred thirty-one thousand, one hundred twenty-one".