4233222222221 has 2 divisors, whose sum is σ = 4233222222222. Its totient is φ = 4233222222220.

The previous prime is 4233222222179. The next prime is 4233222222289. The reversal of 4233222222221 is 1222222223324.

4233222222221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4232322822121 + 899400100 = 2057261^2 + 29990^2 .

It is a cyclic number.

It is not a de Polignac number, because 4233222222221 - 2¹⁰ = 4233222221197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4233222222721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2116611111110 + 2116611111111.

It is an arithmetic number, because the mean of its divisors is an integer number (2116611111111).

Almost surely, 2^{4233222222221} is an apocalyptic number.

It is an amenable number.

4233222222221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4233222222221 is an equidigital number, since it uses as much as digits as its factorization.

4233222222221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 29.

Adding to 4233222222221 its reverse (1222222223324), we get a palindrome (5455444445545).

The spelling of 4233222222221 in words is "four trillion, two hundred thirty-three billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-one".