22105622 has 48 divisors (see below), whose sum is σ = 43690752. Its totient is φ = 8133840.

The previous prime is 22105619. The next prime is 22105631. The reversal of 22105622 is 22650122.

It is a junction number, because it is equal to n+sod(n) for n = 22105594 and 22105603.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 279779 + ... + 279857.

It is an arithmetic number, because the mean of its divisors is an integer number (910224).

Almost surely, 2^22105622 is an apocalyptic number.

22105622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22105622 is a deficient number, since it is larger than the sum of its proper divisors (21585130).

22105622 is a wasteful number, since it uses less digits than its factorization.

22105622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22105622 is about 4701.6616211718. The cubic root of 22105622 is about 280.6516370467.

Adding to 22105622 its reverse (22650122), we get a palindrome (44755744).

The spelling of 22105622 in words is "twenty-two million, one hundred five thousand, six hundred twenty-two".