22122106 has 4 divisors (see below), whose sum is σ = 33183162. Its totient is φ = 11061052.

The previous prime is 22122103. The next prime is 22122169. The reversal of 22122106 is 60122122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60122122 = 2 ⋅30061061.

It can be written as a sum of positive squares in only one way, i.e., 12666481 + 9455625 = 3559^2 + 3075^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22122106.

It is not an unprimeable number, because it can be changed into a prime (22122103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530525 + ... + 5530528.

Almost surely, 2^22122106 is an apocalyptic number.

22122106 is a deficient number, since it is larger than the sum of its proper divisors (11061056).

22122106 is a wasteful number, since it uses less digits than its factorization.

22122106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061055.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 22122106 is about 4703.4142917672. The cubic root of 22122106 is about 280.7213796690.

Adding to 22122106 its sum of digits (16), we get a palindrome (22122122).

Adding to 22122106 its reverse (60122122), we get a palindrome (82244228).

The spelling of 22122106 in words is "twenty-two million, one hundred twenty-two thousand, one hundred six".