2243297 has 4 divisors (see below), whose sum is σ = 2563776. Its totient is φ = 1922820.

The previous prime is 2243287. The next prime is 2243309. The reversal of 2243297 is 7923422.

It is a happy number.

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 2243297 - 2⁴ = 2243281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243207) 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, 160229 + ... + 160242.

It is an arithmetic number, because the mean of its divisors is an integer number (640944).

2^2243297 is an apocalyptic number.

It is an amenable number.

2243297 is a deficient number, since it is larger than the sum of its proper divisors (320479).

2243297 is an equidigital number, since it uses as much as digits as its factorization.

2243297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320478.

The product of its digits is 6048, while the sum is 29.

The square root of 2243297 is about 1497.7640001015. The cubic root of 2243297 is about 130.9068156141.

The spelling of 2243297 in words is "two million, two hundred forty-three thousand, two hundred ninety-seven".