422321220133 has 4 divisors (see below), whose sum is σ = 422325810988. Its totient is φ = 422316629280.

The previous prime is 422321220107. The next prime is 422321220149. The reversal of 422321220133 is 331022123224.

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 363920214564 + 58401005569 = 603258^2 + 241663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422321220133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422321220098 and 422321220107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422321220833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154558 + ... + 2342383.

It is an arithmetic number, because the mean of its divisors is an integer number (105581452747).

Almost surely, 2^422321220133 is an apocalyptic number.

It is an amenable number.

422321220133 is a deficient number, since it is larger than the sum of its proper divisors (4590855).

422321220133 is an equidigital number, since it uses as much as digits as its factorization.

422321220133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590854.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 422321220133 its reverse (331022123224), we get a palindrome (753343343357).

The spelling of 422321220133 in words is "four hundred twenty-two billion, three hundred twenty-one million, two hundred twenty thousand, one hundred thirty-three".