822867623 has 2 divisors, whose sum is σ = 822867624. Its totient is φ = 822867622.

The previous prime is 822867611. The next prime is 822867641. The reversal of 822867623 is 326768228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 822867623 - 2¹⁰ = 822866599 is a prime.

It is a super-2 number, since 2×822867623² = 1354222249963340258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822867653) 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, 411433811 + 411433812.

It is an arithmetic number, because the mean of its divisors is an integer number (411433812).

Almost surely, 2^822867623 is an apocalyptic number.

822867623 is a deficient number, since it is larger than the sum of its proper divisors (1).

822867623 is an equidigital number, since it uses as much as digits as its factorization.

822867623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 44.

The square root of 822867623 is about 28685.6692967063. The cubic root of 822867623 is about 937.0799770149.

The spelling of 822867623 in words is "eight hundred twenty-two million, eight hundred sixty-seven thousand, six hundred twenty-three".