22222345201 has 12 divisors (see below), whose sum is σ = 26274265140. Its totient is φ = 18735464160.

The previous prime is 22222345177. The next prime is 22222345207. The reversal of 22222345201 is 10254322222.

It can be written as a sum of positive squares in 2 ways, for example, as 8609056225 + 13613288976 = 92785^2 + 116676^2 .

It is not a de Polignac number, because 22222345201 - 2²⁹ = 21685474289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222345207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3714366 + ... + 3720343.

It is an arithmetic number, because the mean of its divisors is an integer number (2189522095).

Almost surely, 2^22222345201 is an apocalyptic number.

It is an amenable number.

22222345201 is a deficient number, since it is larger than the sum of its proper divisors (4051919939).

22222345201 is an equidigital number, since it uses as much as digits as its factorization.

22222345201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434784 (or 7434777 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22222345201 its reverse (10254322222), we get a palindrome (32476667423).

The spelling of 22222345201 in words is "twenty-two billion, two hundred twenty-two million, three hundred forty-five thousand, two hundred one".