22112816 has 20 divisors (see below), whose sum is σ = 46738824. Its totient is φ = 10051200.

The previous prime is 22112813. The next prime is 22112833. The reversal of 22112816 is 61821122.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22112791 and 22112800.

It is not an unprimeable number, because it can be changed into a prime (22112813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62645 + ... + 62996.

Almost surely, 2^22112816 is an apocalyptic number.

It is an amenable number.

22112816 is an abundant number, since it is smaller than the sum of its proper divisors (24626008).

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

22112816 is a wasteful number, since it uses less digits than its factorization.

22112816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125660 (or 125654 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 22112816 is about 4702.4266076144. The cubic root of 22112816 is about 280.6820786073.

Adding to 22112816 its reverse (61821122), we get a palindrome (83933938).

The spelling of 22112816 in words is "twenty-two million, one hundred twelve thousand, eight hundred sixteen".