422000204421 has 8 divisors (see below), whose sum is σ = 570591825984. Its totient is φ = 277371026240.

The previous prime is 422000204411. The next prime is 422000204441. The reversal of 422000204421 is 124402000224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422000204421 - 2³³ = 413410269829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422000204401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990610596 + ... + 990611021.

It is an arithmetic number, because the mean of its divisors is an integer number (71323978248).

Almost surely, 2^422000204421 is an apocalyptic number.

It is an amenable number.

422000204421 is a deficient number, since it is larger than the sum of its proper divisors (148591621563).

422000204421 is a wasteful number, since it uses less digits than its factorization.

422000204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981221691.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 422000204421 its reverse (124402000224), we get a palindrome (546402204645).

The spelling of 422000204421 in words is "four hundred twenty-two billion, two hundred four thousand, four hundred twenty-one".