304022240 has 48 divisors (see below), whose sum is σ = 719355168. Its totient is φ = 121422336.

The previous prime is 304022233. The next prime is 304022263. The reversal of 304022240 is 42220403.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 156314 + ... + 158246.

It is an arithmetic number, because the mean of its divisors is an integer number (14986566).

Almost surely, 2^304022240 is an apocalyptic number.

It is an amenable number.

304022240 is an abundant number, since it is smaller than the sum of its proper divisors (415332928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304022240 is a wasteful number, since it uses less digits than its factorization.

304022240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931 (or 2923 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 304022240 is about 17436.2335382387. The cubic root of 304022240 is about 672.4114779628.

Adding to 304022240 its reverse (42220403), we get a palindrome (346242643).

The spelling of 304022240 in words is "three hundred four million, twenty-two thousand, two hundred forty".