2243766 has 32 divisors (see below), whose sum is σ = 5257728. Its totient is φ = 624960.

The previous prime is 2243753. The next prime is 2243771. The reversal of 2243766 is 6673422.

2243766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (164304).

2^2243766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2628864).

2243766 is an abundant number, since it is smaller than the sum of its proper divisors (3013962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243766 is a wasteful number, since it uses less digits than its factorization.

2243766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its digits is 12096, while the sum is 30.

The square root of 2243766 is about 1497.9205586412. The cubic root of 2243766 is about 130.9159377557.

The spelling of 2243766 in words is "two million, two hundred forty-three thousand, seven hundred sixty-six".