9221037313 has 2 divisors, whose sum is σ = 9221037314. Its totient is φ = 9221037312.

The previous prime is 9221037283. The next prime is 9221037349. The reversal of 9221037313 is 3137301229.

It is a happy number.

9221037313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8484620544 + 736416769 = 92112^2 + 27137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9221037313 is a prime.

It is not a weakly prime, because it can be changed into another prime (9221037373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4610518656 + 4610518657.

It is an arithmetic number, because the mean of its divisors is an integer number (4610518657).

Almost surely, 2^9221037313 is an apocalyptic number.

It is an amenable number.

9221037313 is a deficient number, since it is larger than the sum of its proper divisors (1).

9221037313 is an equidigital number, since it uses as much as digits as its factorization.

9221037313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 9221037313 is about 96026.2324211463. The cubic root of 9221037313 is about 2096.9750334859.

The spelling of 9221037313 in words is "nine billion, two hundred twenty-one million, thirty-seven thousand, three hundred thirteen".