2243847 has 8 divisors (see below), whose sum is σ = 3167856. Its totient is φ = 1407872.

The previous prime is 2243833. The next prime is 2243851. The reversal of 2243847 is 7483422.

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

It is not a de Polignac number, because 2243847 - 2¹² = 2239751 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243887) 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, 21948 + ... + 22049.

It is an arithmetic number, because the mean of its divisors is an integer number (395982).

2^2243847 is an apocalyptic number.

2243847 is a deficient number, since it is larger than the sum of its proper divisors (924009).

2243847 is a wasteful number, since it uses less digits than its factorization.

2243847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44017.

The product of its digits is 10752, while the sum is 30.

The square root of 2243847 is about 1497.9475958791. The cubic root of 2243847 is about 130.9175130927.

The spelling of 2243847 in words is "two million, two hundred forty-three thousand, eight hundred forty-seven".