22001022120247 has 2 divisors, whose sum is σ = 22001022120248. Its totient is φ = 22001022120246.

The previous prime is 22001022120241. The next prime is 22001022120257. The reversal of 22001022120247 is 74202122010022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001022120247 - 2¹¹ = 22001022118199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001022120241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000511060123 + 11000511060124.

It is an arithmetic number, because the mean of its divisors is an integer number (11000511060124).

Almost surely, 2^{22001022120247} is an apocalyptic number.

22001022120247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001022120247 is an equidigital number, since it uses as much as digits as its factorization.

22001022120247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 22001022120247 its reverse (74202122010022), we get a palindrome (96203144130269).

The spelling of 22001022120247 in words is "twenty-two trillion, one billion, twenty-two million, one hundred twenty thousand, two hundred forty-seven".