22010045257 has 2 divisors, whose sum is σ = 22010045258. Its totient is φ = 22010045256.

The previous prime is 22010045221. The next prime is 22010045263. The reversal of 22010045257 is 75254001022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16586606521 + 5423438736 = 128789^2 + 73644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22010045257 is a prime.

It is not a weakly prime, because it can be changed into another prime (22010045207) 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, 11005022628 + 11005022629.

It is an arithmetic number, because the mean of its divisors is an integer number (11005022629).

Almost surely, 2^22010045257 is an apocalyptic number.

It is an amenable number.

22010045257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010045257 is an equidigital number, since it uses as much as digits as its factorization.

22010045257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

Adding to 22010045257 its reverse (75254001022), we get a palindrome (97264046279).

The spelling of 22010045257 in words is "twenty-two billion, ten million, forty-five thousand, two hundred fifty-seven".