4421323231 has 4 divisors (see below), whose sum is σ = 4761425032. Its totient is φ = 4081221432.

The previous prime is 4421323223. The next prime is 4421323271. The reversal of 4421323231 is 1323231244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4421323231 - 2³ = 4421323223 is a prime.

It is a super-2 number, since 2×4421323231² = 39096198225960558722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4421323196 and 4421323205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421323271) 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, 170050881 + ... + 170050906.

It is an arithmetic number, because the mean of its divisors is an integer number (1190356258).

Almost surely, 2^4421323231 is an apocalyptic number.

4421323231 is a deficient number, since it is larger than the sum of its proper divisors (340101801).

4421323231 is a wasteful number, since it uses less digits than its factorization.

4421323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340101800.

The product of its digits is 3456, while the sum is 25.

The square root of 4421323231 is about 66493.0314469118. The cubic root of 4421323231 is about 1641.2853337088.

Adding to 4421323231 its reverse (1323231244), we get a palindrome (5744554475).

The spelling of 4421323231 in words is "four billion, four hundred twenty-one million, three hundred twenty-three thousand, two hundred thirty-one".