4231220221324 has 6 divisors (see below), whose sum is σ = 7404635387324. Its totient is φ = 2115610110660.

The previous prime is 4231220221321. The next prime is 4231220221343.

4231220221324 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4231220221324² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4231220221292 and 4231220221301.

It is not an unprimeable number, because it can be changed into a prime (4231220221321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528902527662 + ... + 528902527669.

Almost surely, 2^{4231220221324} is an apocalyptic number.

It is an amenable number.

4231220221324 is a deficient number, since it is larger than the sum of its proper divisors (3173415166000).

4231220221324 is a wasteful number, since it uses less digits than its factorization.

4231220221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057805055335 (or 1057805055333 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 4231220 and 221324, that added together give a palindrome (4452544).

The spelling of 4231220221324 in words is "four trillion, two hundred thirty-one billion, two hundred twenty million, two hundred twenty-one thousand, three hundred twenty-four".