16422204 has 48 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 5081856.

The previous prime is 16422199. The next prime is 16422227. The reversal of 16422204 is 40222461.

It is a congruent number.

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, 15607 + ... + 16625.

It is an arithmetic number, because the mean of its divisors is an integer number (856800).

Almost surely, 2^16422204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16422204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20563200).

16422204 is an abundant number, since it is smaller than the sum of its proper divisors (24704196).

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

16422204 is a wasteful number, since it uses less digits than its factorization.

16422204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 16422204 is about 4052.4318624747. The cubic root of 16422204 is about 254.1814274088.

Adding to 16422204 its reverse (40222461), we get a palindrome (56644665).

The spelling of 16422204 in words is "sixteen million, four hundred twenty-two thousand, two hundred four".