9244223993 has 2 divisors, whose sum is σ = 9244223994. Its totient is φ = 9244223992.

The previous prime is 9244223981. The next prime is 9244224029. The reversal of 9244223993 is 3993224429.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5681089129 + 3563134864 = 75373^2 + 59692^2 .

It is an emirp because it is prime and its reverse (3993224429) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9244223993 - 2⁶ = 9244223929 is a prime.

It is not a weakly prime, because it can be changed into another prime (9244223903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4622111996 + 4622111997.

It is an arithmetic number, because the mean of its divisors is an integer number (4622111997).

Almost surely, 2^9244223993 is an apocalyptic number.

It is an amenable number.

9244223993 is a deficient number, since it is larger than the sum of its proper divisors (1).

9244223993 is an equidigital number, since it uses as much as digits as its factorization.

9244223993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 47.

The square root of 9244223993 is about 96146.8875887306. The cubic root of 9244223993 is about 2098.7312058246.

The spelling of 9244223993 in words is "nine billion, two hundred forty-four million, two hundred twenty-three thousand, nine hundred ninety-three".