22224420042401 has 2 divisors, whose sum is σ = 22224420042402. Its totient is φ = 22224420042400.

The previous prime is 22224420042359. The next prime is 22224420042421. The reversal of 22224420042401 is 10424002442222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21015027166225 + 1209392876176 = 4584215^2 + 1099724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22224420042401 is a prime.

It is not a weakly prime, because it can be changed into another prime (22224420042421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112210021200 + 11112210021201.

It is an arithmetic number, because the mean of its divisors is an integer number (11112210021201).

Almost surely, 2^{22224420042401} is an apocalyptic number.

It is an amenable number.

22224420042401 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224420042401 is an equidigital number, since it uses as much as digits as its factorization.

22224420042401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 22224420042401 its reverse (10424002442222), we get a palindrome (32648422484623).

The spelling of 22224420042401 in words is "twenty-two trillion, two hundred twenty-four billion, four hundred twenty million, forty-two thousand, four hundred one".