190422 has 24 divisors (see below), whose sum is σ = 421200. Its totient is φ = 62160.

The previous prime is 190409. The next prime is 190471. The reversal of 190422 is 224091.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 190395 and 190404.

It is a congruent number.

It is an unprimeable number.

190422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1204 + ... + 1352.

It is an arithmetic number, because the mean of its divisors is an integer number (17550).

2¹⁹⁰⁴²² is an apocalyptic number.

190422 is an abundant number, since it is smaller than the sum of its proper divisors (230778).

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

190422 is a wasteful number, since it uses less digits than its factorization.

190422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 190422 is about 436.3736930659. The cubic root of 190422 is about 57.5315013274.

It can be divided in two parts, 19042 and 2, that added together give a square (19044 = 138²).

The spelling of 190422 in words is "one hundred ninety thousand, four hundred twenty-two".