2222551722497 has 2 divisors, whose sum is σ = 2222551722498. Its totient is φ = 2222551722496.

The previous prime is 2222551722467. The next prime is 2222551722509. The reversal of 2222551722497 is 7942271552222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1977423751681 + 245127970816 = 1406209^2 + 495104^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222551722497 - 2³² = 2218256755201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222551722467) 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, 1111275861248 + 1111275861249.

It is an arithmetic number, because the mean of its divisors is an integer number (1111275861249).

Almost surely, 2^{2222551722497} is an apocalyptic number.

It is an amenable number.

2222551722497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222551722497 is an equidigital number, since it uses as much as digits as its factorization.

2222551722497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 50.

The spelling of 2222551722497 in words is "two trillion, two hundred twenty-two billion, five hundred fifty-one million, seven hundred twenty-two thousand, four hundred ninety-seven".