4321231222 has 32 divisors (see below), whose sum is σ = 8084321280. Its totient is φ = 1682959680.

The previous prime is 4321231163. The next prime is 4321231253. The reversal of 4321231222 is 2221321234.

It is a super-2 number, since 2×4321231222² = 37346078547975226568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 4321231193 and 4321231202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762403 + ... + 768049.

It is an arithmetic number, because the mean of its divisors is an integer number (252635040).

Almost surely, 2^4321231222 is an apocalyptic number.

4321231222 is a deficient number, since it is larger than the sum of its proper divisors (3763090058).

4321231222 is a wasteful number, since it uses less digits than its factorization.

4321231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10636.

The product of its digits is 1152, while the sum is 22.

The square root of 4321231222 is about 65736.0724564527. The cubic root of 4321231222 is about 1628.8052798290.

Adding to 4321231222 its reverse (2221321234), we get a palindrome (6542552456).

The spelling of 4321231222 in words is "four billion, three hundred twenty-one million, two hundred thirty-one thousand, two hundred twenty-two".