22170726601 has 2 divisors, whose sum is σ = 22170726602. Its totient is φ = 22170726600.

The previous prime is 22170726587. The next prime is 22170726607. The reversal of 22170726601 is 10662707122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12876802576 + 9293924025 = 113476^2 + 96405^2 .

It is a cyclic number.

It is not a de Polignac number, because 22170726601 - 2⁹ = 22170726089 is a prime.

It is a super-2 number, since 2×22170726601² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22170726607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11085363300 + 11085363301.

It is an arithmetic number, because the mean of its divisors is an integer number (11085363301).

Almost surely, 2^22170726601 is an apocalyptic number.

It is an amenable number.

22170726601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22170726601 is an equidigital number, since it uses as much as digits as its factorization.

22170726601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 22170726601 in words is "twenty-two billion, one hundred seventy million, seven hundred twenty-six thousand, six hundred one".