822134827 has 2 divisors, whose sum is σ = 822134828. Its totient is φ = 822134826.

The previous prime is 822134801. The next prime is 822134867. The reversal of 822134827 is 728431228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 822134827 - 2¹⁵ = 822102059 is a prime.

It is not a weakly prime, because it can be changed into another prime (822134867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411067413 + 411067414.

It is an arithmetic number, because the mean of its divisors is an integer number (411067414).

Almost surely, 2^822134827 is an apocalyptic number.

822134827 is a deficient number, since it is larger than the sum of its proper divisors (1).

822134827 is an equidigital number, since it uses as much as digits as its factorization.

822134827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 37.

The square root of 822134827 is about 28672.8935930785. The cubic root of 822134827 is about 936.8017255353.

The spelling of 822134827 in words is "eight hundred twenty-two million, one hundred thirty-four thousand, eight hundred twenty-seven".