221434305604315 has 16 divisors (see below), whose sum is σ = 267195267926496. Its totient is φ = 176164754515200.

The previous prime is 221434305604243. The next prime is 221434305604327. The reversal of 221434305604315 is 513406503434122.

It is not a de Polignac number, because 221434305604315 - 2²⁹ = 221433768733403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37700175 + ... + 43176055.

It is an arithmetic number, because the mean of its divisors is an integer number (16699704245406).

Almost surely, 2^{221434305604315} is an apocalyptic number.

221434305604315 is a deficient number, since it is larger than the sum of its proper divisors (45760962322181).

221434305604315 is a wasteful number, since it uses less digits than its factorization.

221434305604315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520750.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 221434305604315 in words is "two hundred twenty-one trillion, four hundred thirty-four billion, three hundred five million, six hundred four thousand, three hundred fifteen".