822725031311772 has 96 divisors (see below), whose sum is σ = 1951651910799360. Its totient is φ = 269724662161920.

The previous prime is 822725031311753. The next prime is 822725031311809. The reversal of 822725031311772 is 277113130527228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72089997 + ... + 82718907.

It is an arithmetic number, because the mean of its divisors is an integer number (20329707404160).

Almost surely, 2^{822725031311772} is an apocalyptic number.

It is an amenable number.

822725031311772 is an abundant number, since it is smaller than the sum of its proper divisors (1128926879487588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

822725031311772 is a wasteful number, since it uses less digits than its factorization.

822725031311772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10629491 (or 10629489 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 822725031311772 in words is "eight hundred twenty-two trillion, seven hundred twenty-five billion, thirty-one million, three hundred eleven thousand, seven hundred seventy-two".