422334330421 has 16 divisors (see below), whose sum is σ = 431301725568. Its totient is φ = 413461137600.

The previous prime is 422334330403. The next prime is 422334330427. The reversal of 422334330421 is 124033433224.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 422334330421 - 2⁵ = 422334330389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422334330427) 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 15 ways as a sum of consecutive naturals, for example, 5725786 + ... + 5799076.

It is an arithmetic number, because the mean of its divisors is an integer number (26956357848).

Almost surely, 2^422334330421 is an apocalyptic number.

It is an amenable number.

422334330421 is a deficient number, since it is larger than the sum of its proper divisors (8967395147).

422334330421 is a wasteful number, since it uses less digits than its factorization.

422334330421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73932.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 422334330421 its reverse (124033433224), we get a palindrome (546367763645).

The spelling of 422334330421 in words is "four hundred twenty-two billion, three hundred thirty-four million, three hundred thirty thousand, four hundred twenty-one".