22219375716361 has 2 divisors, whose sum is σ = 22219375716362. Its totient is φ = 22219375716360.

The previous prime is 22219375716331. The next prime is 22219375716451. The reversal of 22219375716361 is 16361757391222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21858841518336 + 360534198025 = 4675344^2 + 600445^2 .

It is a cyclic number.

It is not a de Polignac number, because 22219375716361 - 2⁷ = 22219375716233 is a prime.

It is not a weakly prime, because it can be changed into another prime (22219375716331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11109687858180 + 11109687858181.

It is an arithmetic number, because the mean of its divisors is an integer number (11109687858181).

Almost surely, 2^{22219375716361} is an apocalyptic number.

It is an amenable number.

22219375716361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22219375716361 is an equidigital number, since it uses as much as digits as its factorization.

22219375716361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 55.

The spelling of 22219375716361 in words is "twenty-two trillion, two hundred nineteen billion, three hundred seventy-five million, seven hundred sixteen thousand, three hundred sixty-one".