13222001036281 has 2 divisors, whose sum is σ = 13222001036282. Its totient is φ = 13222001036280.

The previous prime is 13222001036269. The next prime is 13222001036317. The reversal of 13222001036281 is 18263010022231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11038448077056 + 2183552959225 = 3322416^2 + 1477685^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222001036281 - 2⁹ = 13222001035769 is a prime.

It is a super-2 number, since 2×13222001036281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13222001036081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611000518140 + 6611000518141.

It is an arithmetic number, because the mean of its divisors is an integer number (6611000518141).

Almost surely, 2^{13222001036281} is an apocalyptic number.

It is an amenable number.

13222001036281 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222001036281 is an equidigital number, since it uses as much as digits as its factorization.

13222001036281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 13222001036281 in words is "thirteen trillion, two hundred twenty-two billion, one million, thirty-six thousand, two hundred eighty-one".