22404221401 has 2 divisors, whose sum is σ = 22404221402. Its totient is φ = 22404221400.

The previous prime is 22404221311. The next prime is 22404221419. The reversal of 22404221401 is 10412240422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15029534025 + 7374687376 = 122595^2 + 85876^2 .

It is a cyclic number.

It is not a de Polignac number, because 22404221401 - 2¹¹ = 22404219353 is a prime.

It is not a weakly prime, because it can be changed into another prime (22404221471) 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, 11202110700 + 11202110701.

It is an arithmetic number, because the mean of its divisors is an integer number (11202110701).

Almost surely, 2^22404221401 is an apocalyptic number.

It is an amenable number.

22404221401 is a deficient number, since it is larger than the sum of its proper divisors (1).

22404221401 is an equidigital number, since it uses as much as digits as its factorization.

22404221401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22404221401 its reverse (10412240422), we get a palindrome (32816461823).

The spelling of 22404221401 in words is "twenty-two billion, four hundred four million, two hundred twenty-one thousand, four hundred one".