4304322444221 has 4 divisors (see below), whose sum is σ = 4420655483292. Its totient is φ = 4187989405152.

The previous prime is 4304322444217. The next prime is 4304322444239. The reversal of 4304322444221 is 1224442234034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2217701748025 + 2086620696196 = 1489195^2 + 1444514^2 .

It is a cyclic number.

It is not a de Polignac number, because 4304322444221 - 2² = 4304322444217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4304322444271) 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, 58166519480 + ... + 58166519553.

It is an arithmetic number, because the mean of its divisors is an integer number (1105163870823).

Almost surely, 2^{4304322444221} is an apocalyptic number.

It is an amenable number.

4304322444221 is a deficient number, since it is larger than the sum of its proper divisors (116333039071).

4304322444221 is a wasteful number, since it uses less digits than its factorization.

4304322444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116333039070.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 4304322444221 its reverse (1224442234034), we get a palindrome (5528764678255).

The spelling of 4304322444221 in words is "four trillion, three hundred four billion, three hundred twenty-two million, four hundred forty-four thousand, two hundred twenty-one".