822488398516 has 12 divisors (see below), whose sum is σ = 1452559787140. Its totient is φ = 407471316480.

The previous prime is 822488398493. The next prime is 822488398547. The reversal of 822488398516 is 615893884228.

It can be written as a sum of positive squares in 2 ways, for example, as 483088942116 + 339399456400 = 695046^2 + 582580^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943220205 + ... + 943221076.

Almost surely, 2^822488398516 is an apocalyptic number.

It is an amenable number.

822488398516 is a deficient number, since it is larger than the sum of its proper divisors (630071388624).

822488398516 is a wasteful number, since it uses less digits than its factorization.

822488398516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886441394 (or 1886441392 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 64.

The spelling of 822488398516 in words is "eight hundred twenty-two billion, four hundred eighty-eight million, three hundred ninety-eight thousand, five hundred sixteen".