2122205 has 16 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 1584000.

The previous prime is 2122193. The next prime is 2122213. The reversal of 2122205 is 5022212.

It is not a de Polignac number, because 2122205 - 2⁴ = 2122189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8330 + ... + 8580.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2^2122205 is an apocalyptic number.

It is an amenable number.

2122205 is a deficient number, since it is larger than the sum of its proper divisors (599395).

2122205 is a wasteful number, since it uses less digits than its factorization.

2122205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2122205 is about 1456.7789811773. The cubic root of 2122205 is about 128.5076882761.

Adding to 2122205 its reverse (5022212), we get a palindrome (7144417).

The spelling of 2122205 in words is "two million, one hundred twenty-two thousand, two hundred five".