4243221201322 has 16 divisors (see below), whose sum is σ = 6371599255560. Its totient is φ = 2119355451648.

The previous prime is 4243221201287. The next prime is 4243221201341. The reversal of 4243221201322 is 2231021223424.

It can be written as a sum of positive squares in 4 ways, for example, as 804826088641 + 3438395112681 = 897121^2 + 1854291^2 .

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, 12790368 + ... + 13117924.

Almost surely, 2^{4243221201322} is an apocalyptic number.

4243221201322 is a deficient number, since it is larger than the sum of its proper divisors (2128378054238).

4243221201322 is a wasteful number, since it uses less digits than its factorization.

4243221201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334425.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4243221201322 its reverse (2231021223424), we get a palindrome (6474242424746).

The spelling of 4243221201322 in words is "four trillion, two hundred forty-three billion, two hundred twenty-one million, two hundred one thousand, three hundred twenty-two".