822502872 has 48 divisors (see below), whose sum is σ = 2304432000. Its totient is φ = 264712896.

The previous prime is 822502853. The next prime is 822502873. The reversal of 822502872 is 278205228.

822502872 is a `hidden beast` number, since 82 + 2 + 502 + 8 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822502873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194872 + ... + 199047.

It is an arithmetic number, because the mean of its divisors is an integer number (48009000).

Almost surely, 2^822502872 is an apocalyptic number.

It is an amenable number.

822502872 is an abundant number, since it is smaller than the sum of its proper divisors (1481929128).

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

822502872 is a wasteful number, since it uses less digits than its factorization.

822502872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393960 (or 393953 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 822502872 is about 28679.3108703818. The cubic root of 822502872 is about 936.9414973191.

The spelling of 822502872 in words is "eight hundred twenty-two million, five hundred two thousand, eight hundred seventy-two".