422344430421 has 32 divisors (see below), whose sum is σ = 589685443200. Its totient is φ = 268532060160.

The previous prime is 422344430413. The next prime is 422344430441. The reversal of 422344430421 is 124034443224.

It is not a de Polignac number, because 422344430421 - 2³ = 422344430413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422344430401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4348690 + ... + 4444748.

It is an arithmetic number, because the mean of its divisors is an integer number (18427670100).

Almost surely, 2^422344430421 is an apocalyptic number.

It is an amenable number.

422344430421 is a deficient number, since it is larger than the sum of its proper divisors (167341012779).

422344430421 is a wasteful number, since it uses less digits than its factorization.

422344430421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96709.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 422344430421 its reverse (124034443224), we get a palindrome (546378873645).

The spelling of 422344430421 in words is "four hundred twenty-two billion, three hundred forty-four million, four hundred thirty thousand, four hundred twenty-one".