9224386649 has 2 divisors, whose sum is σ = 9224386650. Its totient is φ = 9224386648.

The previous prime is 9224386621. The next prime is 9224386651. The reversal of 9224386649 is 9466834229.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9125025625 + 99361024 = 95525^2 + 9968^2 .

It is an emirp because it is prime and its reverse (9466834229) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9224386649 - 2²⁰ = 9223338073 is a prime.

Together with 9224386651, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9224386649.

It is not a weakly prime, because it can be changed into another prime (9224382649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4612193324 + 4612193325.

It is an arithmetic number, because the mean of its divisors is an integer number (4612193325).

Almost surely, 2^9224386649 is an apocalyptic number.

It is an amenable number.

9224386649 is a deficient number, since it is larger than the sum of its proper divisors (1).

9224386649 is an equidigital number, since it uses as much as digits as its factorization.

9224386649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 53.

The square root of 9224386649 is about 96043.6705306498. The cubic root of 9224386649 is about 2097.2288958780.

The spelling of 9224386649 in words is "nine billion, two hundred twenty-four million, three hundred eighty-six thousand, six hundred forty-nine".