2243746 has 8 divisors (see below), whose sum is σ = 3376620. Its totient is φ = 1118208.

The previous prime is 2243743. The next prime is 2243753. The reversal of 2243746 is 6473422.

It can be written as a sum of positive squares in 2 ways, for example, as 2175625 + 68121 = 1475^2 + 261^2 .

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

It is a super-2 number, since 2×2243746² = 10068792225032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2243741) 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, 991 + ... + 2338.

2^2243746 is an apocalyptic number.

2243746 is a deficient number, since it is larger than the sum of its proper divisors (1132874).

2243746 is a wasteful number, since it uses less digits than its factorization.

2243746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668.

The product of its digits is 8064, while the sum is 28.

The square root of 2243746 is about 1497.9138827049. The cubic root of 2243746 is about 130.9155487777.

The spelling of 2243746 in words is "two million, two hundred forty-three thousand, seven hundred forty-six".