422169 has 12 divisors (see below), whose sum is σ = 619248. Its totient is φ = 255640.

The previous prime is 422141. The next prime is 422183. The reversal of 422169 is 961224.

It is not a de Polignac number, because 422169 - 2⁵ = 422137 is a prime.

It is a super-2 number, since 2×422169² = 356453329122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (51604).

2⁴²²¹⁶⁹ is an apocalyptic number.

It is an amenable number.

422169 is a deficient number, since it is larger than the sum of its proper divisors (197079).

422169 is a wasteful number, since it uses less digits than its factorization.

422169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1177 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 422169 is about 649.7453347274. The cubic root of 422169 is about 75.0174181767.

It can be divided in two parts, 42 and 2169, that added together give a triangular number (2211 = T₆₆).

The spelling of 422169 in words is "four hundred twenty-two thousand, one hundred sixty-nine".