2200221222281 has 2 divisors, whose sum is σ = 2200221222282. Its totient is φ = 2200221222280.

The previous prime is 2200221222151. The next prime is 2200221222289. The reversal of 2200221222281 is 1822221220022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1804882084681 + 395339137600 = 1343459^2 + 628760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2200221222281 is a prime.

It is a super-2 number, since 2×2200221222281² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2200221222281.

It is not a weakly prime, because it can be changed into another prime (2200221222289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100110611140 + 1100110611141.

It is an arithmetic number, because the mean of its divisors is an integer number (1100110611141).

Almost surely, 2^{2200221222281} is an apocalyptic number.

It is an amenable number.

2200221222281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200221222281 is an equidigital number, since it uses as much as digits as its factorization.

2200221222281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 26.

The spelling of 2200221222281 in words is "two trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred eighty-one".