2222332022221 has 2 divisors, whose sum is σ = 2222332022222. Its totient is φ = 2222332022220.

The previous prime is 2222332022171. The next prime is 2222332022227. The reversal of 2222332022221 is 1222202332222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1597266268900 + 625065753321 = 1263830^2 + 790611^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222332022221 - 2⁹ = 2222332021709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222332022227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111166011110 + 1111166011111.

It is an arithmetic number, because the mean of its divisors is an integer number (1111166011111).

Almost surely, 2^{2222332022221} is an apocalyptic number.

It is an amenable number.

2222332022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222332022221 is an equidigital number, since it uses as much as digits as its factorization.

2222332022221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2222332022221 its reverse (1222202332222), we get a palindrome (3444534354443).

The spelling of 2222332022221 in words is "two trillion, two hundred twenty-two billion, three hundred thirty-two million, twenty-two thousand, two hundred twenty-one".