321422 has 4 divisors (see below), whose sum is σ = 482136. Its totient is φ = 160710.

The previous prime is 321413. The next prime is 321427. The reversal of 321422 is 224123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224123 = 79 ⋅2837.

It is a junction number, because it is equal to n+sod(n) for n = 321397 and 321406.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321422.

It is not an unprimeable number, because it can be changed into a prime (321427) 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 as a sum of consecutive naturals, namely, 80354 + ... + 80357.

It is an arithmetic number, because the mean of its divisors is an integer number (120534).

2³²¹⁴²² is an apocalyptic number.

321422 is a deficient number, since it is larger than the sum of its proper divisors (160714).

321422 is a wasteful number, since it uses less digits than its factorization.

321422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160713.

The product of its digits is 96, while the sum is 14.

The square root of 321422 is about 566.9409140290. The cubic root of 321422 is about 68.5002042369.

Adding to 321422 its reverse (224123), we get a palindrome (545545).

The spelling of 321422 in words is "three hundred twenty-one thousand, four hundred twenty-two", and thus it is an iban number.