322628 has 6 divisors (see below), whose sum is σ = 564606. Its totient is φ = 161312.

The previous prime is 322627. The next prime is 322631. The reversal of 322628 is 826223.

It can be written as a sum of positive squares in only one way, i.e., 322624 + 4 = 568^2 + 2^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 322628.

It is not an unprimeable number, because it can be changed into a prime (322627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40325 + ... + 40332.

It is an arithmetic number, because the mean of its divisors is an integer number (94101).

2³²²⁶²⁸ is an apocalyptic number.

It is an amenable number.

322628 is a deficient number, since it is larger than the sum of its proper divisors (241978).

322628 is a wasteful number, since it uses less digits than its factorization.

322628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80661 (or 80659 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 322628 is about 568.0035211158. The cubic root of 322628 is about 68.5857699832.

The spelling of 322628 in words is "three hundred twenty-two thousand, six hundred twenty-eight".