822998745 has 32 divisors (see below), whose sum is σ = 1465107840. Its totient is φ = 438333120.

The previous prime is 822998741. The next prime is 822998767. The reversal of 822998745 is 547899228.

It is not a de Polignac number, because 822998745 - 2² = 822998741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 822998691 and 822998700.

It is not an unprimeable number, because it can be changed into a prime (822998741) 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 in 31 ways as a sum of consecutive naturals, for example, 105727 + ... + 113243.

It is an arithmetic number, because the mean of its divisors is an integer number (45784620).

Almost surely, 2^822998745 is an apocalyptic number.

It is an amenable number.

822998745 is a deficient number, since it is larger than the sum of its proper divisors (642109095).

822998745 is a wasteful number, since it uses less digits than its factorization.

822998745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8342 (or 8336 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 822998745 is about 28687.9547022788. The cubic root of 822998745 is about 937.1297481938.

The spelling of 822998745 in words is "eight hundred twenty-two million, nine hundred ninety-eight thousand, seven hundred forty-five".