2220021222073 has 2 divisors, whose sum is σ = 2220021222074. Its totient is φ = 2220021222072.

The previous prime is 2220021222011. The next prime is 2220021222229. The reversal of 2220021222073 is 3702221200222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1872113535504 + 347907686569 = 1368252^2 + 589837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220021222073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220021229073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110010611036 + 1110010611037.

It is an arithmetic number, because the mean of its divisors is an integer number (1110010611037).

Almost surely, 2^{2220021222073} is an apocalyptic number.

It is an amenable number.

2220021222073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220021222073 is an equidigital number, since it uses as much as digits as its factorization.

2220021222073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 2220021222073 its reverse (3702221200222), we get a palindrome (5922242422295).

The spelling of 2220021222073 in words is "two trillion, two hundred twenty billion, twenty-one million, two hundred twenty-two thousand, seventy-three".