1146822557 has 2 divisors, whose sum is σ = 1146822558. Its totient is φ = 1146822556.

The previous prime is 1146822529. The next prime is 1146822563. The reversal of 1146822557 is 7552286411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 938135641 + 208686916 = 30629^2 + 14446^2 .

It is an emirp because it is prime and its reverse (7552286411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1146822557 - 2⁶ = 1146822493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146722557) 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, 573411278 + 573411279.

It is an arithmetic number, because the mean of its divisors is an integer number (573411279).

Almost surely, 2^1146822557 is an apocalyptic number.

It is an amenable number.

1146822557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146822557 is an equidigital number, since it uses as much as digits as its factorization.

1146822557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The square root of 1146822557 is about 33864.7686689279. The cubic root of 1146822557 is about 1046.7237431630.

The spelling of 1146822557 in words is "one billion, one hundred forty-six million, eight hundred twenty-two thousand, five hundred fifty-seven".