221302030324404 has 24 divisors (see below), whose sum is σ = 518053395643168. Its totient is φ = 73527058933920.

The previous prime is 221302030324393. The next prime is 221302030324481. The reversal of 221302030324404 is 404423030203122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30035559607 + ... + 30035566974.

Almost surely, 2^{221302030324404} is an apocalyptic number.

It is an amenable number.

221302030324404 is an abundant number, since it is smaller than the sum of its proper divisors (296751365318764).

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

221302030324404 is a wasteful number, since it uses less digits than its factorization.

221302030324404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60071126895 (or 60071126893 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 221302030324404 its reverse (404423030203122), we get a palindrome (625725060527526).

The spelling of 221302030324404 in words is "two hundred twenty-one trillion, three hundred two billion, thirty million, three hundred twenty-four thousand, four hundred four".