4320340662221 has 16 divisors (see below), whose sum is σ = 4698071513280. Its totient is φ = 3957707116800.

The previous prime is 4320340662199. The next prime is 4320340662233. The reversal of 4320340662221 is 1222660430234.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4320340662221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320340662271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21222551 + ... + 21425156.

It is an arithmetic number, because the mean of its divisors is an integer number (293629469580).

Almost surely, 2^{4320340662221} is an apocalyptic number.

It is an amenable number.

4320340662221 is a deficient number, since it is larger than the sum of its proper divisors (377730851059).

4320340662221 is a wasteful number, since it uses less digits than its factorization.

4320340662221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42647884.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 4320340662221 in words is "four trillion, three hundred twenty billion, three hundred forty million, six hundred sixty-two thousand, two hundred twenty-one".