9990224399 has 2 divisors, whose sum is σ = 9990224400. Its totient is φ = 9990224398.

The previous prime is 9990224371. The next prime is 9990224473. The reversal of 9990224399 is 9934220999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9990224399 - 2³² = 5695257103 is a prime.

It is a super-2 number, since 2×9990224399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9990224359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4995112199 + 4995112200.

It is an arithmetic number, because the mean of its divisors is an integer number (4995112200).

Almost surely, 2^9990224399 is an apocalyptic number.

9990224399 is a deficient number, since it is larger than the sum of its proper divisors (1).

9990224399 is an equidigital number, since it uses as much as digits as its factorization.

9990224399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2834352, while the sum is 56.

The square root of 9990224399 is about 99951.1100438609. The cubic root of 9990224399 is about 2153.7324313518.

The spelling of 9990224399 in words is "nine billion, nine hundred ninety million, two hundred twenty-four thousand, three hundred ninety-nine".