2212105 has 12 divisors (see below), whose sum is σ = 3088260. Its totient is φ = 1516704.

The previous prime is 2212099. The next prime is 2212123. The reversal of 2212105 is 5012122.

It can be written as a sum of positive squares in 2 ways, for example, as 1731856 + 480249 = 1316^2 + 693^2 .

It is not a de Polignac number, because 2212105 - 2³ = 2212097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4270 + ... + 4759.

It is an arithmetic number, because the mean of its divisors is an integer number (257355).

2^2212105 is an apocalyptic number.

It is an amenable number.

2212105 is a deficient number, since it is larger than the sum of its proper divisors (876155).

2212105 is an equidigital number, since it uses as much as digits as its factorization.

2212105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048 (or 9041 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2212105 is about 1487.3146943401. The cubic root of 2212105 is about 130.2972488079.

Adding to 2212105 its reverse (5012122), we get a palindrome (7224227).

The spelling of 2212105 in words is "two million, two hundred twelve thousand, one hundred five".