22206112 has 24 divisors (see below), whose sum is σ = 45227700. Its totient is φ = 10719744.

The previous prime is 22206101. The next prime is 22206139. The reversal of 22206112 is 21160222.

It can be written as a sum of positive squares in 2 ways, for example, as 21939856 + 266256 = 4684^2 + 516^2 .

It is a super-2 number, since 2×22206112² = 986222820313088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11037 + ... + 12892.

Almost surely, 2^22206112 is an apocalyptic number.

It is an amenable number.

22206112 is an abundant number, since it is smaller than the sum of its proper divisors (23021588).

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

22206112 is a wasteful number, since it uses less digits than its factorization.

22206112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23968 (or 23960 counting only the distinct ones).

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

The square root of 22206112 is about 4712.3361509977. The cubic root of 22206112 is about 281.0762659045.

Adding to 22206112 its reverse (21160222), we get a palindrome (43366334).

The spelling of 22206112 in words is "twenty-two million, two hundred six thousand, one hundred twelve".