822945673 has 32 divisors (see below), whose sum is σ = 988796160. Its totient is φ = 676085760.

The previous prime is 822945619. The next prime is 822945703. The reversal of 822945673 is 376549228.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822945673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (822945373) 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 31 ways as a sum of consecutive naturals, for example, 1425961 + ... + 1426537.

It is an arithmetic number, because the mean of its divisors is an integer number (30899880).

Almost surely, 2^822945673 is an apocalyptic number.

It is an amenable number.

822945673 is a deficient number, since it is larger than the sum of its proper divisors (165850487).

822945673 is a wasteful number, since it uses less digits than its factorization.

822945673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897.

The product of its digits is 725760, while the sum is 46.

The square root of 822945673 is about 28687.0296998487. The cubic root of 822945673 is about 937.1096038054.

The spelling of 822945673 in words is "eight hundred twenty-two million, nine hundred forty-five thousand, six hundred seventy-three".