22200112 has 30 divisors (see below), whose sum is σ = 47282564. Its totient is φ = 10090080.

The previous prime is 22200077. The next prime is 22200119. The reversal of 22200112 is 21100222.

It is not an unprimeable number, because it can be changed into a prime (22200119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3798 + ... + 7669.

Almost surely, 2^22200112 is an apocalyptic number.

22200112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22200112 is an abundant number, since it is smaller than the sum of its proper divisors (25082452).

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

22200112 is a wasteful number, since it uses less digits than its factorization.

22200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11497 (or 11480 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22200112 is about 4711.6994810790. The cubic root of 22200112 is about 281.0509484077.

Adding to 22200112 its reverse (21100222), we get a palindrome (43300334).

The spelling of 22200112 in words is "twenty-two million, two hundred thousand, one hundred twelve".