22201432231217 has 2 divisors, whose sum is σ = 22201432231218. Its totient is φ = 22201432231216.

The previous prime is 22201432231163. The next prime is 22201432231247. The reversal of 22201432231217 is 71213223410222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19843853166736 + 2357579064481 = 4454644^2 + 1535441^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201432231217 - 2²⁰ = 22201431182641 is a prime.

It is not a weakly prime, because it can be changed into another prime (22201432231247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100716115608 + 11100716115609.

It is an arithmetic number, because the mean of its divisors is an integer number (11100716115609).

Almost surely, 2^{22201432231217} is an apocalyptic number.

It is an amenable number.

22201432231217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201432231217 is an equidigital number, since it uses as much as digits as its factorization.

22201432231217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 22201432231217 its reverse (71213223410222), we get a palindrome (93414655641439).

The spelling of 22201432231217 in words is "twenty-two trillion, two hundred one billion, four hundred thirty-two million, two hundred thirty-one thousand, two hundred seventeen".