221422324411 has 2 divisors, whose sum is σ = 221422324412. Its totient is φ = 221422324410.

The previous prime is 221422324391. The next prime is 221422324423. The reversal of 221422324411 is 114423224122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221422324411 is a prime.

It is a super-4 number, since 4×221422324411⁴ (a number of 46 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221422324411.

It is not a weakly prime, because it can be changed into another prime (221422324441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110711162205 + 110711162206.

It is an arithmetic number, because the mean of its divisors is an integer number (110711162206).

Almost surely, 2^221422324411 is an apocalyptic number.

221422324411 is a deficient number, since it is larger than the sum of its proper divisors (1).

221422324411 is an equidigital number, since it uses as much as digits as its factorization.

221422324411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 28.

Adding to 221422324411 its reverse (114423224122), we get a palindrome (335845548533).

The spelling of 221422324411 in words is "two hundred twenty-one billion, four hundred twenty-two million, three hundred twenty-four thousand, four hundred eleven".