422021433601 has 4 divisors (see below), whose sum is σ = 422218365952. Its totient is φ = 421824501252.

The previous prime is 422021433599. The next prime is 422021433611. The reversal of 422021433601 is 106334120224.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422021433601 - 2¹ = 422021433599 is a prime.

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 422021433601.

It is not an unprimeable number, because it can be changed into a prime (422021433611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98462961 + ... + 98467246.

It is an arithmetic number, because the mean of its divisors is an integer number (105554591488).

Almost surely, 2^422021433601 is an apocalyptic number.

It is an amenable number.

422021433601 is a deficient number, since it is larger than the sum of its proper divisors (196932351).

422021433601 is a wasteful number, since it uses less digits than its factorization.

422021433601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196932350.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 422021433601 its reverse (106334120224), we get a palindrome (528355553825).

The spelling of 422021433601 in words is "four hundred twenty-two billion, twenty-one million, four hundred thirty-three thousand, six hundred one".