3230221720442 has 8 divisors (see below), whose sum is σ = 4845566637696. Its totient is φ = 1615032841212.

The previous prime is 3230221720441. The next prime is 3230221720463. The reversal of 3230221720442 is 2440271220323.

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

It is a junction number, because it is equal to n+sod(n) for n = 3230221720399 and 3230221720408.

It is not an unprimeable number, because it can be changed into a prime (3230221720441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38957738 + ... + 39040565.

It is an arithmetic number, because the mean of its divisors is an integer number (605695829712).

Almost surely, 2^{3230221720442} is an apocalyptic number.

3230221720442 is a deficient number, since it is larger than the sum of its proper divisors (1615344917254).

3230221720442 is a wasteful number, since it uses less digits than its factorization.

3230221720442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78019012.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 3230221720442 its reverse (2440271220323), we get a palindrome (5670492940765).

The spelling of 3230221720442 in words is "three trillion, two hundred thirty billion, two hundred twenty-one million, seven hundred twenty thousand, four hundred forty-two".