2000222202221 has 2 divisors, whose sum is σ = 2000222202222. Its totient is φ = 2000222202220.

The previous prime is 2000222202217. The next prime is 2000222202271. The reversal of 2000222202221 is 1222022220002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1978284445225 + 21937756996 = 1406515^2 + 148114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000222202221 - 2² = 2000222202217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2000222202221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000222202271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000111101110 + 1000111101111.

It is an arithmetic number, because the mean of its divisors is an integer number (1000111101111).

Almost surely, 2^{2000222202221} is an apocalyptic number.

It is an amenable number.

2000222202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000222202221 is an equidigital number, since it uses as much as digits as its factorization.

2000222202221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2000222202221 its reverse (1222022220002), we get a palindrome (3222244422223).

The spelling of 2000222202221 in words is "two trillion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-one".