164422 has 8 divisors (see below), whose sum is σ = 248400. Its totient is φ = 81624.

The previous prime is 164419. The next prime is 164429. The reversal of 164422 is 224461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×164422³ = 13335246085438344, which contains 333 as substring.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 164422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279 + ... + 637.

It is an arithmetic number, because the mean of its divisors is an integer number (31050).

2¹⁶⁴⁴²² is an apocalyptic number.

164422 is a deficient number, since it is larger than the sum of its proper divisors (83978).

164422 is a wasteful number, since it uses less digits than its factorization.

164422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its digits is 384, while the sum is 19.

The square root of 164422 is about 405.4898272460. The cubic root of 164422 is about 54.7839457829.

Adding to 164422 its reverse (224461), we get a palindrome (388883).

The spelling of 164422 in words is "one hundred sixty-four thousand, four hundred twenty-two".