22106244 has 12 divisors (see below), whose sum is σ = 51581264. Its totient is φ = 7368744.

The previous prime is 22106233. The next prime is 22106261. The reversal of 22106244 is 44260122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22106244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921082 + ... + 921105.

Almost surely, 2^22106244 is an apocalyptic number.

It is an amenable number.

22106244 is an abundant number, since it is smaller than the sum of its proper divisors (29475020).

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

22106244 is a wasteful number, since it uses less digits than its factorization.

22106244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842194 (or 1842192 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22106244 is about 4701.7277675340. The cubic root of 22106244 is about 280.6542693135.

Adding to 22106244 its reverse (44260122), we get a palindrome (66366366).

The spelling of 22106244 in words is "twenty-two million, one hundred six thousand, two hundred forty-four".