22105004401 has 2 divisors, whose sum is σ = 22105004402. Its totient is φ = 22105004400.

The previous prime is 22105004359. The next prime is 22105004419. The reversal of 22105004401 is 10440050122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21977766001 + 127238400 = 148249^2 + 11280^2 .

It is a cyclic number.

It is not a de Polignac number, because 22105004401 - 2⁹ = 22105003889 is a prime.

It is not a weakly prime, because it can be changed into another prime (22105005401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11052502200 + 11052502201.

It is an arithmetic number, because the mean of its divisors is an integer number (11052502201).

Almost surely, 2^22105004401 is an apocalyptic number.

It is an amenable number.

22105004401 is a deficient number, since it is larger than the sum of its proper divisors (1).

22105004401 is an equidigital number, since it uses as much as digits as its factorization.

22105004401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 22105004401 its reverse (10440050122), we get a palindrome (32545054523).

The spelling of 22105004401 in words is "twenty-two billion, one hundred five million, four thousand, four hundred one".