2822243 has 4 divisors (see below), whose sum is σ = 2850288. Its totient is φ = 2794200.

The previous prime is 2822233. The next prime is 2822263. The reversal of 2822243 is 3422282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2822243 - 2¹² = 2818147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2822213) 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, 13871 + ... + 14072.

It is an arithmetic number, because the mean of its divisors is an integer number (712572).

2^2822243 is an apocalyptic number.

2822243 is a deficient number, since it is larger than the sum of its proper divisors (28045).

2822243 is a wasteful number, since it uses less digits than its factorization.

2822243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28044.

The product of its digits is 1536, while the sum is 23.

The square root of 2822243 is about 1679.9532731597. The cubic root of 2822243 is about 141.3182122830.

The spelling of 2822243 in words is "two million, eight hundred twenty-two thousand, two hundred forty-three".