16422208 has 28 divisors (see below), whose sum is σ = 35551872. Its totient is φ = 7464320.

The previous prime is 16422199. The next prime is 16422227. The reversal of 16422208 is 80222461.

It is a happy number.

It is a nialpdrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

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, 10960 + ... + 12367.

Almost surely, 2^16422208 is an apocalyptic number.

It is an amenable number.

16422208 is an abundant number, since it is smaller than the sum of its proper divisors (19129664).

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

16422208 is a wasteful number, since it uses less digits than its factorization.

16422208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23350 (or 23340 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 16422208 is about 4052.4323560055. The cubic root of 16422208 is about 254.1814480460.

Adding to 16422208 its reverse (80222461), we get a palindrome (96644669).

It can be divided in two parts, 16 and 422208, that added together give a palindrome (422224).

The spelling of 16422208 in words is "sixteen million, four hundred twenty-two thousand, two hundred eight".