322726 has 4 divisors (see below), whose sum is σ = 484092. Its totient is φ = 161362.

The previous prime is 322709. The next prime is 322727. The reversal of 322726 is 627223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 627223 = 31 ⋅20233.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 322697 and 322706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322727) by changing a digit.

322726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80680 + ... + 80683.

It is an arithmetic number, because the mean of its divisors is an integer number (121023).

2³²²⁷²⁶ is an apocalyptic number.

322726 is a deficient number, since it is larger than the sum of its proper divisors (161366).

322726 is a wasteful number, since it uses less digits than its factorization.

322726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161365.

The product of its digits is 1008, while the sum is 22.

The square root of 322726 is about 568.0897816367. The cubic root of 322726 is about 68.5927137130.

Adding to 322726 its reverse (627223), we get a palindrome (949949).

The spelling of 322726 in words is "three hundred twenty-two thousand, seven hundred twenty-six".