2243806 has 8 divisors (see below), whose sum is σ = 3374784. Its totient is φ = 1118880.

The previous prime is 2243803. The next prime is 2243809. The reversal of 2243806 is 6083422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2243803) and next prime (2243809).

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243803) 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, 430 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (421848).

2^2243806 is an apocalyptic number.

2243806 is a deficient number, since it is larger than the sum of its proper divisors (1130978).

2243806 is a wasteful number, since it uses less digits than its factorization.

2243806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2243806 is about 1497.9339104246. The cubic root of 2243806 is about 130.9167157046.

The spelling of 2243806 in words is "two million, two hundred forty-three thousand, eight hundred six".