422420004421 has 16 divisors (see below), whose sum is σ = 437718556800. Its totient is φ = 407170792000.

The previous prime is 422420004329. The next prime is 422420004491. The reversal of 422420004421 is 124400024224.

It is a cyclic number.

It is not a de Polignac number, because 422420004421 - 2¹¹ = 422420002373 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 (422420004491) 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, 90046686 + ... + 90051376.

It is an arithmetic number, because the mean of its divisors is an integer number (27357409800).

Almost surely, 2^422420004421 is an apocalyptic number.

It is an amenable number.

422420004421 is a deficient number, since it is larger than the sum of its proper divisors (15298552379).

422420004421 is a wasteful number, since it uses less digits than its factorization.

422420004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 422420004421 its reverse (124400024224), we get a palindrome (546820028645).

The spelling of 422420004421 in words is "four hundred twenty-two billion, four hundred twenty million, four thousand, four hundred twenty-one".