180422 has 16 divisors (see below), whose sum is σ = 302400. Its totient is φ = 80040.

The previous prime is 180419. The next prime is 180437. The reversal of 180422 is 224081.

It is a self number, because there is not a number n which added to its sum of digits gives 180422.

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, 1229 + ... + 1367.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2¹⁸⁰⁴²² is an apocalyptic number.

180422 is a deficient number, since it is larger than the sum of its proper divisors (121978).

180422 is a wasteful number, since it uses less digits than its factorization.

180422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 180422 is about 424.7611093309. The cubic root of 180422 is about 56.5062514293.

The spelling of 180422 in words is "one hundred eighty thousand, four hundred twenty-two".