822081505 has 16 divisors (see below), whose sum is σ = 1141701120. Its totient is φ = 556575552.

The previous prime is 822081487. The next prime is 822081509. The reversal of 822081505 is 505180228.

It is a cyclic number.

It is not a de Polignac number, because 822081505 - 2⁹ = 822080993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (822081509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145894 + ... + 151423.

It is an arithmetic number, because the mean of its divisors is an integer number (71356320).

Almost surely, 2^822081505 is an apocalyptic number.

It is an amenable number.

822081505 is a deficient number, since it is larger than the sum of its proper divisors (319619615).

822081505 is a wasteful number, since it uses less digits than its factorization.

822081505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297408.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 822081505 is about 28671.9637450943. The cubic root of 822081505 is about 936.7814720765.

The spelling of 822081505 in words is "eight hundred twenty-two million, eighty-one thousand, five hundred five".