2243249 has 4 divisors (see below), whose sum is σ = 2250864. Its totient is φ = 2235636.

The previous prime is 2243221. The next prime is 2243251. The reversal of 2243249 is 9423422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2243249 - 2⁸ = 2242993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2243209) 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, 3347 + ... + 3960.

It is an arithmetic number, because the mean of its divisors is an integer number (562716).

2^2243249 is an apocalyptic number.

It is an amenable number.

2243249 is a deficient number, since it is larger than the sum of its proper divisors (7615).

2243249 is an equidigital number, since it uses as much as digits as its factorization.

2243249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614.

The product of its digits is 3456, while the sum is 26.

The square root of 2243249 is about 1497.7479761295. The cubic root of 2243249 is about 130.9058819330.

The spelling of 2243249 in words is "two million, two hundred forty-three thousand, two hundred forty-nine".