2243782 has 8 divisors (see below), whose sum is σ = 3372696. Its totient is φ = 1119552.

The previous prime is 2243777. The next prime is 2243789. The reversal of 2243782 is 2873422.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2243782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243789) 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, 513 + ... + 2179.

It is an arithmetic number, because the mean of its divisors is an integer number (421587).

2^2243782 is an apocalyptic number.

2243782 is a deficient number, since it is larger than the sum of its proper divisors (1128914).

2243782 is a wasteful number, since it uses less digits than its factorization.

2243782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342.

The product of its digits is 5376, while the sum is 28.

The square root of 2243782 is about 1497.9258993689. The cubic root of 2243782 is about 130.9162489364.

It can be divided in two parts, 2243 and 782, that added together give a square (3025 = 55²).

The spelling of 2243782 in words is "two million, two hundred forty-three thousand, seven hundred eighty-two".