422190 has 24 divisors (see below), whose sum is σ = 1097928. Its totient is φ = 112560.

The previous prime is 422183. The next prime is 422203. The reversal of 422190 is 91224.

It is a super-2 number, since 2×422190² = 356488792200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

422190 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, 2256 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (45747).

2⁴²²¹⁹⁰ is an apocalyptic number.

422190 is an abundant number, since it is smaller than the sum of its proper divisors (675738).

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

422190 is a wasteful number, since it uses less digits than its factorization.

422190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704 (or 4701 counting only the distinct ones).

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

The square root of 422190 is about 649.7614947040. The cubic root of 422190 is about 75.0186620227.

The spelling of 422190 in words is "four hundred twenty-two thousand, one hundred ninety".