2842247 has 4 divisors (see below), whose sum is σ = 3009456. Its totient is φ = 2675040.

The previous prime is 2842237. The next prime is 2842253. The reversal of 2842247 is 7422482.

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 2842247 - 2¹² = 2838151 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 (2842237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83579 + ... + 83612.

It is an arithmetic number, because the mean of its divisors is an integer number (752364).

2^2842247 is an apocalyptic number.

2842247 is a deficient number, since it is larger than the sum of its proper divisors (167209).

2842247 is a wasteful number, since it uses less digits than its factorization.

2842247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167208.

The product of its digits is 7168, while the sum is 29.

The square root of 2842247 is about 1685.8964974161. The cubic root of 2842247 is about 141.6513133688.

The spelling of 2842247 in words is "two million, eight hundred forty-two thousand, two hundred forty-seven".