2812229 has 8 divisors (see below), whose sum is σ = 3229248. Its totient is φ = 2399040.

The previous prime is 2812223. The next prime is 2812237. The reversal of 2812229 is 9222182.

2812229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2812229 - 2⁸ = 2811973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2812198 and 2812207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (403656).

2^2812229 is an apocalyptic number.

It is an amenable number.

2812229 is a deficient number, since it is larger than the sum of its proper divisors (417019).

2812229 is a wasteful number, since it uses less digits than its factorization.

2812229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its digits is 1152, while the sum is 26.

The square root of 2812229 is about 1676.9701845889. The cubic root of 2812229 is about 141.1508704841.

The spelling of 2812229 in words is "two million, eight hundred twelve thousand, two hundred twenty-nine".