422320201 has 4 divisors (see below), whose sum is σ = 444547600. Its totient is φ = 400092804.

The previous prime is 422320193. The next prime is 422320207. The reversal of 422320201 is 102023224.

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 not a de Polignac number, because 422320201 - 2³ = 422320193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422320207) 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, 11113671 + ... + 11113708.

It is an arithmetic number, because the mean of its divisors is an integer number (111136900).

Almost surely, 2^422320201 is an apocalyptic number.

It is an amenable number.

422320201 is a deficient number, since it is larger than the sum of its proper divisors (22227399).

422320201 is a wasteful number, since it uses less digits than its factorization.

422320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22227398.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 422320201 is about 20550.4306767523. The cubic root of 422320201 is about 750.2637300659.

Adding to 422320201 its reverse (102023224), we get a palindrome (524343425).

The spelling of 422320201 in words is "four hundred twenty-two million, three hundred twenty thousand, two hundred one".