2220372033673 has 2 divisors, whose sum is σ = 2220372033674. Its totient is φ = 2220372033672.

The previous prime is 2220372033653. The next prime is 2220372033679. The reversal of 2220372033673 is 3763302730222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1377036534784 + 843335498889 = 1173472^2 + 918333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220372033673 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220372033679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110186016836 + 1110186016837.

It is an arithmetic number, because the mean of its divisors is an integer number (1110186016837).

Almost surely, 2^{2220372033673} is an apocalyptic number.

It is an amenable number.

2220372033673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220372033673 is an equidigital number, since it uses as much as digits as its factorization.

2220372033673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 40.

Adding to 2220372033673 its reverse (3763302730222), we get a palindrome (5983674763895).

The spelling of 2220372033673 in words is "two trillion, two hundred twenty billion, three hundred seventy-two million, thirty-three thousand, six hundred seventy-three".