22204355340257 has 2 divisors, whose sum is σ = 22204355340258. Its totient is φ = 22204355340256.

The previous prime is 22204355340203. The next prime is 22204355340281. The reversal of 22204355340257 is 75204355340222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22131416995216 + 72938345041 = 4704404^2 + 270071^2 .

It is a cyclic number.

It is not a de Polignac number, because 22204355340257 - 2⁴⁰ = 21104843712481 is a prime.

It is not a weakly prime, because it can be changed into another prime (22204355349257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102177670128 + 11102177670129.

It is an arithmetic number, because the mean of its divisors is an integer number (11102177670129).

Almost surely, 2^{22204355340257} is an apocalyptic number.

It is an amenable number.

22204355340257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22204355340257 is an equidigital number, since it uses as much as digits as its factorization.

22204355340257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 44.

The spelling of 22204355340257 in words is "twenty-two trillion, two hundred four billion, three hundred fifty-five million, three hundred forty thousand, two hundred fifty-seven".