22640340462211 has 2 divisors, whose sum is σ = 22640340462212. Its totient is φ = 22640340462210.

The previous prime is 22640340462197. The next prime is 22640340462247. The reversal of 22640340462211 is 11226404304622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22640340462211 - 2⁴³ = 13844247440003 is a prime.

It is not a weakly prime, because it can be changed into another prime (22640340462251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11320170231105 + 11320170231106.

It is an arithmetic number, because the mean of its divisors is an integer number (11320170231106).

Almost surely, 2^{22640340462211} is an apocalyptic number.

22640340462211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22640340462211 is an equidigital number, since it uses as much as digits as its factorization.

22640340462211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 22640340462211 its reverse (11226404304622), we get a palindrome (33866744766833).

The spelling of 22640340462211 in words is "twenty-two trillion, six hundred forty billion, three hundred forty million, four hundred sixty-two thousand, two hundred eleven".