302421304 has 16 divisors (see below), whose sum is σ = 567292320. Its totient is φ = 151143360.

The previous prime is 302421253. The next prime is 302421307. The reversal of 302421304 is 403124203.

It is a super-2 number, since 2×302421304² = 182917290226120832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302421307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14292 + ... + 28444.

It is an arithmetic number, because the mean of its divisors is an integer number (35455770).

Almost surely, 2^302421304 is an apocalyptic number.

It is an amenable number.

302421304 is a deficient number, since it is larger than the sum of its proper divisors (264871016).

302421304 is a wasteful number, since it uses less digits than its factorization.

302421304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16830 (or 16826 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 302421304 is about 17390.2646328341. The cubic root of 302421304 is about 671.2291271467.

Adding to 302421304 its reverse (403124203), we get a palindrome (705545507).

The spelling of 302421304 in words is "three hundred two million, four hundred twenty-one thousand, three hundred four".