1022302993 has 2 divisors, whose sum is σ = 1022302994. Its totient is φ = 1022302992.

The previous prime is 1022302987. The next prime is 1022303017. The reversal of 1022302993 is 3992032201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 920030224 + 102272769 = 30332^2 + 10113^2 .

It is an emirp because it is prime and its reverse (3992032201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022302993 - 2⁹ = 1022302481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022305993) 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, 511151496 + 511151497.

It is an arithmetic number, because the mean of its divisors is an integer number (511151497).

Almost surely, 2^1022302993 is an apocalyptic number.

It is an amenable number.

1022302993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022302993 is an equidigital number, since it uses as much as digits as its factorization.

1022302993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1022302993 is about 31973.4732708225. The cubic root of 1022302993 is about 1007.3797365208.

The spelling of 1022302993 in words is "one billion, twenty-two million, three hundred two thousand, nine hundred ninety-three".