422109 has 6 divisors (see below), whose sum is σ = 609726. Its totient is φ = 281400.

The previous prime is 422101. The next prime is 422111. The reversal of 422109 is 901224.

It can be written as a sum of positive squares in only one way, i.e., 416025 + 6084 = 645^2 + 78^2 .

It is not a de Polignac number, because 422109 - 2³ = 422101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422091 and 422100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23442 + ... + 23459.

It is an arithmetic number, because the mean of its divisors is an integer number (101621).

2⁴²²¹⁰⁹ is an apocalyptic number.

It is an amenable number.

422109 is a deficient number, since it is larger than the sum of its proper divisors (187617).

422109 is a wasteful number, since it uses less digits than its factorization.

422109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46907 (or 46904 counting only the distinct ones).

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

The square root of 422109 is about 649.6991611508. The cubic root of 422109 is about 75.0138641037.

The spelling of 422109 in words is "four hundred twenty-two thousand, one hundred nine".