321622 has 8 divisors (see below), whose sum is σ = 551376. Its totient is φ = 137832.

The previous prime is 321619. The next prime is 321631. The reversal of 321622 is 226123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 321596 and 321605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11473 + ... + 11500.

It is an arithmetic number, because the mean of its divisors is an integer number (68922).

2³²¹⁶²² is an apocalyptic number.

321622 is a deficient number, since it is larger than the sum of its proper divisors (229754).

321622 is a wasteful number, since it uses less digits than its factorization.

321622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22982.

The product of its digits is 144, while the sum is 16.

The square root of 321622 is about 567.1172718230. The cubic root of 321622 is about 68.5144090313.

Adding to 321622 its reverse (226123), we get a palindrome (547745).

The spelling of 321622 in words is "three hundred twenty-one thousand, six hundred twenty-two".