2812205 has 8 divisors (see below), whose sum is σ = 3681504. Its totient is φ = 2045200.

The previous prime is 2812193. The next prime is 2812207. The reversal of 2812205 is 5022182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2812205 - 2⁴ = 2812189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25511 + ... + 25620.

It is an arithmetic number, because the mean of its divisors is an integer number (460188).

2^2812205 is an apocalyptic number.

It is an amenable number.

2812205 is a deficient number, since it is larger than the sum of its proper divisors (869299).

2812205 is a wasteful number, since it uses less digits than its factorization.

2812205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51147.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2812205 is about 1676.9630288113. The cubic root of 2812205 is about 141.1504689484.

Adding to 2812205 its reverse (5022182), we get a palindrome (7834387).

The spelling of 2812205 in words is "two million, eight hundred twelve thousand, two hundred five".