22205106645 has 16 divisors (see below), whose sum is σ = 35586143232. Its totient is φ = 11823399360.

The previous prime is 22205106643. The next prime is 22205106667. The reversal of 22205106645 is 54660150222.

It is not a de Polignac number, because 22205106645 - 2¹ = 22205106643 is a prime.

It is a super-2 number, since 2×22205106645² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205106643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198261 + ... + 1216650.

It is an arithmetic number, because the mean of its divisors is an integer number (2224133952).

Almost surely, 2^22205106645 is an apocalyptic number.

It is an amenable number.

22205106645 is a deficient number, since it is larger than the sum of its proper divisors (13381036587).

22205106645 is a wasteful number, since it uses less digits than its factorization.

22205106645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415532.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 22205106645 its reverse (54660150222), we get a palindrome (76865256867).

The spelling of 22205106645 in words is "twenty-two billion, two hundred five million, one hundred six thousand, six hundred forty-five".