2243266 has 8 divisors (see below), whose sum is σ = 3481020. Its totient is φ = 1082928.

The previous prime is 2243261. The next prime is 2243281. The reversal of 2243266 is 6623422.

2243266 = 264² + 265² + ... + 292².

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2059225 + 184041 = 1435^2 + 429^2 .

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 2243266.

It is not an unprimeable number, because it can be changed into a prime (2243261) 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, 19281 + ... + 19396.

2^2243266 is an apocalyptic number.

2243266 is a deficient number, since it is larger than the sum of its proper divisors (1237754).

2243266 is a wasteful number, since it uses less digits than its factorization.

2243266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38708.

The product of its digits is 3456, while the sum is 25.

The square root of 2243266 is about 1497.7536513058. The cubic root of 2243266 is about 130.9062126132.

Adding to 2243266 its reverse (6623422), we get a palindrome (8866688).

The spelling of 2243266 in words is "two million, two hundred forty-three thousand, two hundred sixty-six".