422170 has 32 divisors (see below), whose sum is σ = 897408. Its totient is φ = 139968.

The previous prime is 422141. The next prime is 422183. The reversal of 422170 is 71224.

422170 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2509 + ... + 2671.

It is an arithmetic number, because the mean of its divisors is an integer number (28044).

2⁴²²¹⁷⁰ is an apocalyptic number.

422170 is an abundant number, since it is smaller than the sum of its proper divisors (475238).

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

422170 is a wasteful number, since it uses less digits than its factorization.

422170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 422170 is about 649.7461042592. The cubic root of 422170 is about 75.0174774084.

Adding to 422170 its reverse (71224), we get a palindrome (493394).

The spelling of 422170 in words is "four hundred twenty-two thousand, one hundred seventy", and thus it is an iban number.