22245115601 has 2 divisors, whose sum is σ = 22245115602. Its totient is φ = 22245115600.

The previous prime is 22245115589. The next prime is 22245115609. The reversal of 22245115601 is 10651154222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22111690000 + 133425601 = 148700^2 + 11551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22245115601 is a prime.

It is not a weakly prime, because it can be changed into another prime (22245115609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122557800 + 11122557801.

It is an arithmetic number, because the mean of its divisors is an integer number (11122557801).

Almost surely, 2^22245115601 is an apocalyptic number.

It is an amenable number.

22245115601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22245115601 is an equidigital number, since it uses as much as digits as its factorization.

22245115601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 22245115601 its reverse (10651154222), we get a palindrome (32896269823).

The spelling of 22245115601 in words is "twenty-two billion, two hundred forty-five million, one hundred fifteen thousand, six hundred one".