22106444 has 12 divisors (see below), whose sum is σ = 39216744. Its totient is φ = 10901664.

The previous prime is 22106437. The next prime is 22106467. The reversal of 22106444 is 44460122.

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, 37562 + ... + 38145.

It is an arithmetic number, because the mean of its divisors is an integer number (3268062).

Almost surely, 2^22106444 is an apocalyptic number.

It is an amenable number.

22106444 is a deficient number, since it is larger than the sum of its proper divisors (17110300).

22106444 is a wasteful number, since it uses less digits than its factorization.

22106444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75784 (or 75782 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22106444 is about 4701.7490362630. The cubic root of 22106444 is about 280.6551156910.

Adding to 22106444 its reverse (44460122), we get a palindrome (66566566).

The spelling of 22106444 in words is "twenty-two million, one hundred six thousand, four hundred forty-four".