16609422 has 8 divisors (see below), whose sum is σ = 33218856. Its totient is φ = 5536472.

The previous prime is 16609421. The next prime is 16609429. The reversal of 16609422 is 22490661.

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

16609422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 16609422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16609421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384113 + ... + 1384124.

It is an arithmetic number, because the mean of its divisors is an integer number (4152357).

Almost surely, 2^16609422 is an apocalyptic number.

16609422 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.

16609422 is a wasteful number, since it uses less digits than its factorization.

16609422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768242.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 16609422 is about 4075.4658629413. The cubic root of 16609422 is about 255.1436944828.

The spelling of 16609422 in words is "sixteen million, six hundred nine thousand, four hundred twenty-two".