304405221434 has 8 divisors (see below), whose sum is σ = 456618017280. Its totient is φ = 152199215676.

The previous prime is 304405221427. The next prime is 304405221437. The reversal of 304405221434 is 434122504403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 304405221434.

It is not an unprimeable number, because it can be changed into a prime (304405221437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583924 + ... + 1765679.

It is an arithmetic number, because the mean of its divisors is an integer number (57077252160).

Almost surely, 2^304405221434 is an apocalyptic number.

304405221434 is a deficient number, since it is larger than the sum of its proper divisors (152212795846).

304405221434 is a wasteful number, since it uses less digits than its factorization.

304405221434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395044.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 304405221434 its reverse (434122504403), we get a palindrome (738527725837).

The spelling of 304405221434 in words is "three hundred four billion, four hundred five million, two hundred twenty-one thousand, four hundred thirty-four".