2243750 has 24 divisors (see below), whose sum is σ = 4218480. Its totient is φ = 895000.

The previous prime is 2243743. The next prime is 2243753. The reversal of 2243750 is 573422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6071 + ... + 6429.

It is an arithmetic number, because the mean of its divisors is an integer number (175770).

2^2243750 is an apocalyptic number.

2243750 is a deficient number, since it is larger than the sum of its proper divisors (1974730).

2243750 is an frugal number, since it uses more digits than its factorization.

2243750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2243750 is about 1497.9152178945. The cubic root of 2243750 is about 130.9156265735.

The spelling of 2243750 in words is "two million, two hundred forty-three thousand, seven hundred fifty".