424330222321 has 4 divisors (see below), whose sum is σ = 449290823652. Its totient is φ = 399369620992.

The previous prime is 424330222313. The next prime is 424330222339. The reversal of 424330222321 is 123222033424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 192453303025 + 231876919296 = 438695^2 + 481536^2 .

It is a cyclic number.

It is not a de Polignac number, because 424330222321 - 2³ = 424330222313 is a prime.

It is a super-2 number, since 2×424330222321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424330222321.

It is not an unprimeable number, because it can be changed into a prime (424330222361) 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 in 3 ways as a sum of consecutive naturals, for example, 12480300640 + ... + 12480300673.

It is an arithmetic number, because the mean of its divisors is an integer number (112322705913).

Almost surely, 2^424330222321 is an apocalyptic number.

It is an amenable number.

424330222321 is a deficient number, since it is larger than the sum of its proper divisors (24960601331).

424330222321 is a wasteful number, since it uses less digits than its factorization.

424330222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24960601330.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 424330222321 its reverse (123222033424), we get a palindrome (547552255745).

The spelling of 424330222321 in words is "four hundred twenty-four billion, three hundred thirty million, two hundred twenty-two thousand, three hundred twenty-one".