302220304 has 40 divisors (see below), whose sum is σ = 596961792. Its totient is φ = 148189440.

The previous prime is 302220301. The next prime is 302220311. The reversal of 302220304 is 403022203.

It is a super-2 number, since 2×302220304² = 182674224299704832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (302220301) 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 7 ways as a sum of consecutive naturals, for example, 252732 + ... + 253924.

Almost surely, 2^302220304 is an apocalyptic number.

It is an amenable number.

302220304 is a deficient number, since it is larger than the sum of its proper divisors (294741488).

302220304 is a wasteful number, since it uses less digits than its factorization.

302220304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 302220304 is about 17384.4845767713. The cubic root of 302220304 is about 671.0803865718.

Adding to 302220304 its reverse (403022203), we get a palindrome (705242507).

The spelling of 302220304 in words is "three hundred two million, two hundred twenty thousand, three hundred four".