822403313 has 2 divisors, whose sum is σ = 822403314. Its totient is φ = 822403312.

The previous prime is 822403289. The next prime is 822403319. The reversal of 822403313 is 313304228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426711649 + 395691664 = 20657^2 + 19892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822403313 is a prime.

It is equal to p_42238520 and since 822403313 and 42238520 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (822403319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411201656 + 411201657.

It is an arithmetic number, because the mean of its divisors is an integer number (411201657).

Almost surely, 2^822403313 is an apocalyptic number.

It is an amenable number.

822403313 is a deficient number, since it is larger than the sum of its proper divisors (1).

822403313 is an equidigital number, since it uses as much as digits as its factorization.

822403313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 822403313 is about 28677.5750892575. The cubic root of 822403313 is about 936.9036920925.

The spelling of 822403313 in words is "eight hundred twenty-two million, four hundred three thousand, three hundred thirteen".