2812249 has 4 divisors (see below), whose sum is σ = 3067920. Its totient is φ = 2556580.

The previous prime is 2812241. The next prime is 2812261. The reversal of 2812249 is 9422182.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2812249 - 2³ = 2812241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2812241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127819 + ... + 127840.

It is an arithmetic number, because the mean of its divisors is an integer number (766980).

2^2812249 is an apocalyptic number.

It is an amenable number.

2812249 is a deficient number, since it is larger than the sum of its proper divisors (255671).

2812249 is a wasteful number, since it uses less digits than its factorization.

2812249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255670.

The product of its digits is 2304, while the sum is 28.

The square root of 2812249 is about 1676.9761477135. The cubic root of 2812249 is about 141.1512050954.

The spelling of 2812249 in words is "two million, eight hundred twelve thousand, two hundred forty-nine".