822526213 has 2 divisors, whose sum is σ = 822526214. Its totient is φ = 822526212.

The previous prime is 822526183. The next prime is 822526219. The reversal of 822526213 is 312625228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528678049 + 293848164 = 22993^2 + 17142^2 .

It is a cyclic number.

It is not a de Polignac number, because 822526213 - 2¹⁷ = 822395141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822526219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411263106 + 411263107.

It is an arithmetic number, because the mean of its divisors is an integer number (411263107).

Almost surely, 2^822526213 is an apocalyptic number.

It is an amenable number.

822526213 is a deficient number, since it is larger than the sum of its proper divisors (1).

822526213 is an equidigital number, since it uses as much as digits as its factorization.

822526213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 822526213 is about 28679.7177984721. The cubic root of 822526213 is about 936.9503600824.

The spelling of 822526213 in words is "eight hundred twenty-two million, five hundred twenty-six thousand, two hundred thirteen".