22806004304257 has 2 divisors, whose sum is σ = 22806004304258. Its totient is φ = 22806004304256.

The previous prime is 22806004304249. The next prime is 22806004304287. The reversal of 22806004304257 is 75240340060822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20773167102081 + 2032837202176 = 4557759^2 + 1425776^2 .

It is a cyclic number.

It is not a de Polignac number, because 22806004304257 - 2³ = 22806004304249 is a prime.

It is a super-2 number, since 2×22806004304257² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22806004304287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11403002152128 + 11403002152129.

It is an arithmetic number, because the mean of its divisors is an integer number (11403002152129).

Almost surely, 2^{22806004304257} is an apocalyptic number.

It is an amenable number.

22806004304257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22806004304257 is an equidigital number, since it uses as much as digits as its factorization.

22806004304257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 22806004304257 in words is "twenty-two trillion, eight hundred six billion, four million, three hundred four thousand, two hundred fifty-seven".