22421116 has 12 divisors (see below), whose sum is σ = 39328632. Its totient is φ = 11184368.

The previous prime is 22421111. The next prime is 22421123. The reversal of 22421116 is 61112422.

It is a junction number, because it is equal to n+sod(n) for n = 22421093 and 22421102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421111) 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, 4555 + ... + 8098.

It is an arithmetic number, because the mean of its divisors is an integer number (3277386).

Almost surely, 2^22421116 is an apocalyptic number.

It is an amenable number.

22421116 is a deficient number, since it is larger than the sum of its proper divisors (16907516).

22421116 is a wasteful number, since it uses less digits than its factorization.

22421116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13100 (or 13098 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 22421116 is about 4735.0940856545. The cubic root of 22421116 is about 281.9804992970.

Adding to 22421116 its reverse (61112422), we get a palindrome (83533538).

The spelling of 22421116 in words is "twenty-two million, four hundred twenty-one thousand, one hundred sixteen".