22216126 has 4 divisors (see below), whose sum is σ = 33324192. Its totient is φ = 11108062.

The previous prime is 22216123. The next prime is 22216133. The reversal of 22216126 is 62161222.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22216097 and 22216106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22216123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554030 + ... + 5554033.

It is an arithmetic number, because the mean of its divisors is an integer number (8331048).

Almost surely, 2^22216126 is an apocalyptic number.

22216126 is a deficient number, since it is larger than the sum of its proper divisors (11108066).

22216126 is a wasteful number, since it uses less digits than its factorization.

22216126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11108065.

The product of its digits is 576, while the sum is 22.

The square root of 22216126 is about 4713.3985615477. The cubic root of 22216126 is about 281.1185106512.

Adding to 22216126 its reverse (62161222), we get a palindrome (84377348).

The spelling of 22216126 in words is "twenty-two million, two hundred sixteen thousand, one hundred twenty-six".