172322 has 4 divisors (see below), whose sum is σ = 258486. Its totient is φ = 86160.

The previous prime is 172321. The next prime is 172331. The reversal of 172322 is 223271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223271 = 29 ⋅7699.

It can be written as a sum of positive squares in only one way, i.e., 167281 + 5041 = 409^2 + 71^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 172322.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 172322.

It is not an unprimeable number, because it can be changed into a prime (172321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43079 + ... + 43082.

2¹⁷²³²² is an apocalyptic number.

172322 is a deficient number, since it is larger than the sum of its proper divisors (86164).

172322 is an equidigital number, since it uses as much as digits as its factorization.

172322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86163.

The product of its digits is 168, while the sum is 17.

The square root of 172322 is about 415.1168510191. The cubic root of 172322 is about 55.6476602537.

Adding to 172322 its reverse (223271), we get a palindrome (395593).

It can be divided in two parts, 172 and 322, that added together give a palindrome (494).

The spelling of 172322 in words is "one hundred seventy-two thousand, three hundred twenty-two", and thus it is an iban number.