4243221220222 has 8 divisors (see below), whose sum is σ = 6365266244856. Its totient is φ = 2121465805272.

The previous prime is 4243221220193. The next prime is 4243221220261. The reversal of 4243221220222 is 2220221223424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72365788 + ... + 72424399.

It is an arithmetic number, because the mean of its divisors is an integer number (795658280607).

Almost surely, 2^{4243221220222} is an apocalyptic number.

4243221220222 is a deficient number, since it is larger than the sum of its proper divisors (2122045024634).

4243221220222 is a wasteful number, since it uses less digits than its factorization.

4243221220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144804842.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 4243221220222 its reverse (2220221223424), we get a palindrome (6463442443646).

The spelling of 4243221220222 in words is "four trillion, two hundred forty-three billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".