133422 has 16 divisors (see below), whose sum is σ = 274512. Its totient is φ = 43200.

The previous prime is 133417. The next prime is 133439. The reversal of 133422 is 224331.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 79 + ... + 522.

It is an arithmetic number, because the mean of its divisors is an integer number (17157).

2¹³³⁴²² is an apocalyptic number.

133422 is an abundant number, since it is smaller than the sum of its proper divisors (141090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133422 is a wasteful number, since it uses less digits than its factorization.

133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its digits is 144, while the sum is 15.

The square root of 133422 is about 365.2697633257. The cubic root of 133422 is about 51.0986173341.

Adding to 133422 its reverse (224331), we get a palindrome (357753).

Subtracting 133422 from its reverse (224331), we obtain a palindrome (90909).

It can be divided in two parts, 133 and 422, that added together give a palindrome (555).

The spelling of 133422 in words is "one hundred thirty-three thousand, four hundred twenty-two".