2220304 has 20 divisors (see below), whose sum is σ = 4335040. Its totient is φ = 1101600.

The previous prime is 2220301. The next prime is 2220307. The reversal of 2220304 is 4030222.

It is an interprime number because it is at equal distance from previous prime (2220301) and next prime (2220307).

It is not an unprimeable number, because it can be changed into a prime (2220301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (216752).

2^2220304 is an apocalyptic number.

It is an amenable number.

2220304 is a deficient number, since it is larger than the sum of its proper divisors (2114736).

2220304 is a wasteful number, since it uses less digits than its factorization.

2220304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2220304 is about 1490.0684548033. The cubic root of 2220304 is about 130.4580292995.

Adding to 2220304 its reverse (4030222), we get a palindrome (6250526).

The spelling of 2220304 in words is "two million, two hundred twenty thousand, three hundred four".