43325222257 has 2 divisors, whose sum is σ = 43325222258. Its totient is φ = 43325222256.

The previous prime is 43325222251. The next prime is 43325222417. The reversal of 43325222257 is 75222252334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43312269456 + 12952801 = 208116^2 + 3599^2 .

It is a cyclic number.

It is not a de Polignac number, because 43325222257 - 2¹¹ = 43325220209 is a prime.

It is not a weakly prime, because it can be changed into another prime (43325222251) 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 as a sum of consecutive naturals, namely, 21662611128 + 21662611129.

It is an arithmetic number, because the mean of its divisors is an integer number (21662611129).

Almost surely, 2^43325222257 is an apocalyptic number.

It is an amenable number.

43325222257 is a deficient number, since it is larger than the sum of its proper divisors (1).

43325222257 is an equidigital number, since it uses as much as digits as its factorization.

43325222257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 37.

The spelling of 43325222257 in words is "forty-three billion, three hundred twenty-five million, two hundred twenty-two thousand, two hundred fifty-seven".