2105544222 has 24 divisors (see below), whose sum is σ = 4575097800. Its totient is φ = 699834960.

The previous prime is 2105544193. The next prime is 2105544229. The reversal of 2105544222 is 2224455012.

2105544222 is a `hidden beast` number, since 210 + 5 + 5 + 442 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105544229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161304 + ... + 173867.

It is an arithmetic number, because the mean of its divisors is an integer number (190629075).

Almost surely, 2^2105544222 is an apocalyptic number.

2105544222 is an abundant number, since it is smaller than the sum of its proper divisors (2469553578).

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

2105544222 is a wasteful number, since it uses less digits than its factorization.

2105544222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335528 (or 335525 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2105544222 is about 45886.2094969720. The cubic root of 2105544222 is about 1281.7051294700.

Adding to 2105544222 its reverse (2224455012), we get a palindrome (4329999234).

The spelling of 2105544222 in words is "two billion, one hundred five million, five hundred forty-four thousand, two hundred twenty-two".