2243930 has 32 divisors (see below), whose sum is σ = 4466448. Its totient is φ = 806400.

The previous prime is 2243911. The next prime is 2243959. The reversal of 2243930 is 393422.

2243930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 32761 + 2211169 = 181^2 + 1487^2 .

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2243896 and 2243905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5120 + ... + 5540.

2^2243930 is an apocalyptic number.

2243930 is a deficient number, since it is larger than the sum of its proper divisors (2222518).

2243930 is a wasteful number, since it uses less digits than its factorization.

2243930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2243930 is about 1497.9753001969. The cubic root of 2243930 is about 130.9191272877.

The spelling of 2243930 in words is "two million, two hundred forty-three thousand, nine hundred thirty".