22312112 has 20 divisors (see below), whose sum is σ = 43660896. Its totient is φ = 11044800.

The previous prime is 22312097. The next prime is 22312123. The reversal of 22312112 is 21121322.

It is a happy number.

It is a super-3 number, since 3×22312112³ (a number of 23 digits) contains 333 as substring.

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, 5288 + ... + 8519.

Almost surely, 2^22312112 is an apocalyptic number.

It is an amenable number.

22312112 is a deficient number, since it is larger than the sum of its proper divisors (21348784).

22312112 is a wasteful number, since it uses less digits than its factorization.

22312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13916 (or 13910 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 22312112 is about 4723.5698364690. The cubic root of 22312112 is about 281.5227916560.

Adding to 22312112 its reverse (21121322), we get a palindrome (43433434).

The spelling of 22312112 in words is "twenty-two million, three hundred twelve thousand, one hundred twelve".