912223313 has 2 divisors, whose sum is σ = 912223314. Its totient is φ = 912223312.

The previous prime is 912223297. The next prime is 912223337. The reversal of 912223313 is 313322219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478209424 + 434013889 = 21868^2 + 20833^2 .

It is a cyclic number.

It is not a de Polignac number, because 912223313 - 2⁴ = 912223297 is a prime.

It is not a weakly prime, because it can be changed into another prime (912223373) 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, 456111656 + 456111657.

It is an arithmetic number, because the mean of its divisors is an integer number (456111657).

Almost surely, 2^912223313 is an apocalyptic number.

It is an amenable number.

912223313 is a deficient number, since it is larger than the sum of its proper divisors (1).

912223313 is an equidigital number, since it uses as much as digits as its factorization.

912223313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 26.

The square root of 912223313 is about 30203.0348309570. The cubic root of 912223313 is about 969.8406628845.

The spelling of 912223313 in words is "nine hundred twelve million, two hundred twenty-three thousand, three hundred thirteen".