2249306 has 4 divisors (see below), whose sum is σ = 3373962. Its totient is φ = 1124652.

The previous prime is 2249293. The next prime is 2249309. The reversal of 2249306 is 6039422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6039422 = 2 ⋅3019711.

It can be written as a sum of positive squares in only one way, i.e., 1585081 + 664225 = 1259^2 + 815^2 .

It is not an unprimeable number, because it can be changed into a prime (2249309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562325 + ... + 562328.

2^2249306 is an apocalyptic number.

2249306 is a deficient number, since it is larger than the sum of its proper divisors (1124656).

2249306 is a wasteful number, since it uses less digits than its factorization.

2249306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124655.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2249306 is about 1499.7686488255. The cubic root of 2249306 is about 131.0235957730.

The spelling of 2249306 in words is "two million, two hundred forty-nine thousand, three hundred six".