422132321 has 8 divisors (see below), whose sum is σ = 481345704. Its totient is φ = 366739200.

The previous prime is 422132309. The next prime is 422132327. The reversal of 422132321 is 123231224.

It can be written as a sum of positive squares in 4 ways, for example, as 8620096 + 413512225 = 2936^2 + 20335^2 .

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 422132321 - 2¹⁴ = 422115937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422132293 and 422132302.

It is not an unprimeable number, because it can be changed into a prime (422132327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954830 + ... + 955271.

It is an arithmetic number, because the mean of its divisors is an integer number (60168213).

Almost surely, 2^422132321 is an apocalyptic number.

It is an amenable number.

422132321 is a deficient number, since it is larger than the sum of its proper divisors (59213383).

422132321 is a wasteful number, since it uses less digits than its factorization.

422132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910131.

The product of its digits is 576, while the sum is 20.

The square root of 422132321 is about 20545.8589744990. The cubic root of 422132321 is about 750.1524555262.

Adding to 422132321 its reverse (123231224), we get a palindrome (545363545).

The spelling of 422132321 in words is "four hundred twenty-two million, one hundred thirty-two thousand, three hundred twenty-one".