422641201 has 4 divisors (see below), whose sum is σ = 423974772. Its totient is φ = 421307632.

The previous prime is 422641189. The next prime is 422641211. The reversal of 422641201 is 102146224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 239011600 + 183629601 = 15460^2 + 13551^2 .

It is a cyclic number.

It is not a de Polignac number, because 422641201 - 2¹¹ = 422639153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422641211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666310 + ... + 666943.

It is an arithmetic number, because the mean of its divisors is an integer number (105993693).

Almost surely, 2^422641201 is an apocalyptic number.

It is an amenable number.

422641201 is a deficient number, since it is larger than the sum of its proper divisors (1333571).

422641201 is a wasteful number, since it uses less digits than its factorization.

422641201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333570.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 422641201 is about 20558.2392485349. The cubic root of 422641201 is about 750.4537704382.

Adding to 422641201 its reverse (102146224), we get a palindrome (524787425).

The spelling of 422641201 in words is "four hundred twenty-two million, six hundred forty-one thousand, two hundred one".