322231 has 8 divisors (see below), whose sum is σ = 396704. Its totient is φ = 254880.

The previous prime is 322229. The next prime is 322237. The reversal of 322231 is 132223.

It is a happy number.

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 322231 - 2¹ = 322229 is a prime.

It is a super-2 number, since 2×322231² = 207665634722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a d-powerful number, because it can be written as 3² + 2² + 2¹⁰ + 2¹⁸ + 3¹⁰ + 1 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (49588).

2³²²²³¹ is an apocalyptic number.

322231 is a deficient number, since it is larger than the sum of its proper divisors (74473).

322231 is a wasteful number, since it uses less digits than its factorization.

322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561.

The product of its digits is 72, while the sum is 13.

The square root of 322231 is about 567.6539438778. The cubic root of 322231 is about 68.5576263970.

Adding to 322231 its reverse (132223), we get a palindrome (454454).

The spelling of 322231 in words is "three hundred twenty-two thousand, two hundred thirty-one".