164522 has 4 divisors (see below), whose sum is σ = 246786. Its totient is φ = 82260.

The previous prime is 164513. The next prime is 164531. The reversal of 164522 is 225461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (164513) and next prime (164531).

It can be written as a sum of positive squares in only one way, i.e., 160801 + 3721 = 401^2 + 61^2 .

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 164494 and 164503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41129 + ... + 41132.

2¹⁶⁴⁵²² is an apocalyptic number.

164522 is a deficient number, since it is larger than the sum of its proper divisors (82264).

164522 is an equidigital number, since it uses as much as digits as its factorization.

164522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82263.

The product of its digits is 480, while the sum is 20.

The square root of 164522 is about 405.6131161587. The cubic root of 164522 is about 54.7950499018.

Adding to 164522 its reverse (225461), we get a palindrome (389983).

It can be divided in two parts, 164 and 522, that added together give a palindrome (686).

The spelling of 164522 in words is "one hundred sixty-four thousand, five hundred twenty-two".