822528678452 has 24 divisors (see below), whose sum is σ = 1550231819136. Its totient is φ = 379608632928.

The previous prime is 822528678443. The next prime is 822528678469. The reversal of 822528678452 is 254876825228.

822528678452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 822528678391 and 822528678400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604553 + ... + 1417935.

It is an arithmetic number, because the mean of its divisors is an integer number (64592992464).

Almost surely, 2^822528678452 is an apocalyptic number.

It is an amenable number.

822528678452 is a deficient number, since it is larger than the sum of its proper divisors (727703140684).

822528678452 is a wasteful number, since it uses less digits than its factorization.

822528678452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832847 (or 832845 counting only the distinct ones).

The product of its digits is 34406400, while the sum is 59.

The spelling of 822528678452 in words is "eight hundred twenty-two billion, five hundred twenty-eight million, six hundred seventy-eight thousand, four hundred fifty-two".