22211009687813 has 2 divisors, whose sum is σ = 22211009687814. Its totient is φ = 22211009687812.

The previous prime is 22211009687807. The next prime is 22211009687819. The reversal of 22211009687813 is 31878690011222.

It is a balanced prime because it is at equal distance from previous prime (22211009687807) and next prime (22211009687819).

It can be written as a sum of positive squares in only one way, i.e., 17504374895329 + 4706634792484 = 4183823^2 + 2169478^2 .

It is a cyclic number.

It is not a de Polignac number, because 22211009687813 - 2¹⁸ = 22211009425669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22211009687819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105504843906 + 11105504843907.

It is an arithmetic number, because the mean of its divisors is an integer number (11105504843907).

Almost surely, 2^{22211009687813} is an apocalyptic number.

It is an amenable number.

22211009687813 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211009687813 is an equidigital number, since it uses as much as digits as its factorization.

22211009687813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 22211009687813 in words is "twenty-two trillion, two hundred eleven billion, nine million, six hundred eighty-seven thousand, eight hundred thirteen".