2202000221 has 2 divisors, whose sum is σ = 2202000222. Its totient is φ = 2202000220.

The previous prime is 2202000181. The next prime is 2202000239. The reversal of 2202000221 is 1220002022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1377448996 + 824551225 = 37114^2 + 28715^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202000221 - 2¹⁰ = 2201999197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202060221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101000110 + 1101000111.

It is an arithmetic number, because the mean of its divisors is an integer number (1101000111).

Almost surely, 2^2202000221 is an apocalyptic number.

It is an amenable number.

2202000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202000221 is an equidigital number, since it uses as much as digits as its factorization.

2202000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2202000221 is about 46925.4751813980. The cubic root of 2202000221 is about 1300.9854896258.

Adding to 2202000221 its reverse (1220002022), we get a palindrome (3422002243).

The spelling of 2202000221 in words is "two billion, two hundred two million, two hundred twenty-one", and thus it is an aban number.