822804497725 has 36 divisors (see below), whose sum is σ = 1212105795264. Its totient is φ = 552204317280.

The previous prime is 822804497633. The next prime is 822804497737. The reversal of 822804497725 is 527794408228.

It is a happy number.

It is not a de Polignac number, because 822804497725 - 2¹⁵ = 822804464957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 822804497725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7087927 + ... + 7203076.

It is an arithmetic number, because the mean of its divisors is an integer number (33669605424).

Almost surely, 2^822804497725 is an apocalyptic number.

It is an amenable number.

822804497725 is a deficient number, since it is larger than the sum of its proper divisors (389301297539).

822804497725 is a wasteful number, since it uses less digits than its factorization.

822804497725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14291074 (or 14291062 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 822804497725 in words is "eight hundred twenty-two billion, eight hundred four million, four hundred ninety-seven thousand, seven hundred twenty-five".