22208016 has 20 divisors (see below), whose sum is σ = 57370832. Its totient is φ = 7402656.

The previous prime is 22208009. The next prime is 22208027. The reversal of 22208016 is 61080222.

It is a junction number, because it is equal to n+sod(n) for n = 22207983 and 22208001.

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, 231286 + ... + 231381.

Almost surely, 2^22208016 is an apocalyptic number.

It is an amenable number.

22208016 is an abundant number, since it is smaller than the sum of its proper divisors (35162816).

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

22208016 is a wasteful number, since it uses less digits than its factorization.

22208016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462678 (or 462672 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 22208016 is about 4712.5381696067. The cubic root of 22208016 is about 281.0842990369.

Adding to 22208016 its reverse (61080222), we get a palindrome (83288238).

The spelling of 22208016 in words is "twenty-two million, two hundred eight thousand, sixteen".