22043116 has 12 divisors (see below), whose sum is σ = 40605880. Its totient is φ = 10441440.

The previous prime is 22043113. The next prime is 22043123. The reversal of 22043116 is 61134022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 22043093 and 22043102.

It is not an unprimeable number, because it can be changed into a prime (22043111) 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, 144945 + ... + 145096.

Almost surely, 2^22043116 is an apocalyptic number.

It is an amenable number.

22043116 is a deficient number, since it is larger than the sum of its proper divisors (18562764).

22043116 is a wasteful number, since it uses less digits than its factorization.

22043116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290064 (or 290062 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 22043116 is about 4695.0096911508. The cubic root of 22043116 is about 280.3868632018.

Adding to 22043116 its reverse (61134022), we get a palindrome (83177138).

The spelling of 22043116 in words is "twenty-two million, forty-three thousand, one hundred sixteen".