304021403322 has 64 divisors (see below), whose sum is σ = 748549589760. Its totient is φ = 80161196544.

The previous prime is 304021403243. The next prime is 304021403341. The reversal of 304021403322 is 223304120403.

It is a junction number, because it is equal to n+sod(n) for n = 304021403292 and 304021403301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2155504 + ... + 2292212.

It is an arithmetic number, because the mean of its divisors is an integer number (11696087340).

Almost surely, 2^304021403322 is an apocalyptic number.

304021403322 is an abundant number, since it is smaller than the sum of its proper divisors (444528186438).

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

304021403322 is a wasteful number, since it uses less digits than its factorization.

304021403322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140807.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 304021403322 its reverse (223304120403), we get a palindrome (527325523725).

The spelling of 304021403322 in words is "three hundred four billion, twenty-one million, four hundred three thousand, three hundred twenty-two".