822490773 has 16 divisors (see below), whose sum is σ = 1192711296. Its totient is φ = 501134400.

The previous prime is 822490771. The next prime is 822490789. The reversal of 822490773 is 377094228.

It is not a de Polignac number, because 822490773 - 2¹ = 822490771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822490771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100465 + ... + 108342.

It is an arithmetic number, because the mean of its divisors is an integer number (74544456).

Almost surely, 2^822490773 is an apocalyptic number.

It is an amenable number.

822490773 is a deficient number, since it is larger than the sum of its proper divisors (370220523).

822490773 is a wasteful number, since it uses less digits than its factorization.

822490773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208924.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 822490773 is about 28679.0999335753. The cubic root of 822490773 is about 936.9369031667.

The spelling of 822490773 in words is "eight hundred twenty-two million, four hundred ninety thousand, seven hundred seventy-three".