1609422 has 8 divisors (see below), whose sum is σ = 3218856. Its totient is φ = 536472.

The previous prime is 1609417. The next prime is 1609423. The reversal of 1609422 is 2249061.

It is a sphenic number, since it is the product of 3 distinct primes.

1609422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1609392 and 1609401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609423) 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 3 ways as a sum of consecutive naturals, for example, 134113 + ... + 134124.

It is an arithmetic number, because the mean of its divisors is an integer number (402357).

2^1609422 is an apocalyptic number.

1609422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1609422 is a wasteful number, since it uses less digits than its factorization.

1609422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268242.

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

The square root of 1609422 is about 1268.6299696917. The cubic root of 1609422 is about 117.1898444687.

The spelling of 1609422 in words is "one million, six hundred nine thousand, four hundred twenty-two".