822902321097 has 12 divisors (see below), whose sum is σ = 1188704569780. Its totient is φ = 548570216448.

The previous prime is 822902321093. The next prime is 822902321123. The reversal of 822902321097 is 790123209228.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 455495409216 + 367406911881 = 674904^2 + 606141^2 .

It is not a de Polignac number, because 822902321097 - 2² = 822902321093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (822902321093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2444008 + ... + 2760249.

Almost surely, 2^822902321097 is an apocalyptic number.

It is an amenable number.

822902321097 is a deficient number, since it is larger than the sum of its proper divisors (365802248683).

822902321097 is a wasteful number, since it uses less digits than its factorization.

822902321097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221832 (or 5221829 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 822902321097 in words is "eight hundred twenty-two billion, nine hundred two million, three hundred twenty-one thousand, ninety-seven".