322421 has 4 divisors (see below), whose sum is σ = 351744. Its totient is φ = 293100.

The previous prime is 322417. The next prime is 322429. The reversal of 322421 is 124223.

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 a cyclic number.

It is not a de Polignac number, because 322421 - 2² = 322417 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 = 322396 and 322405.

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 322421.

It is not an unprimeable number, because it can be changed into a prime (322429) 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, 14645 + ... + 14666.

It is an arithmetic number, because the mean of its divisors is an integer number (87936).

2³²²⁴²¹ is an apocalyptic number.

It is an amenable number.

322421 is a deficient number, since it is larger than the sum of its proper divisors (29323).

322421 is a wasteful number, since it uses less digits than its factorization.

322421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29322.

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

The square root of 322421 is about 567.8212746983. The cubic root of 322421 is about 68.5710985020.

Adding to 322421 its reverse (124223), we get a palindrome (446644).

The spelling of 322421 in words is "three hundred twenty-two thousand, four hundred twenty-one", and thus it is an iban number.