823225884 has 96 divisors (see below), whose sum is σ = 2241550080. Its totient is φ = 232823808.

The previous prime is 823225883. The next prime is 823225933. The reversal of 823225884 is 488522328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823225883) 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 31 ways as a sum of consecutive naturals, for example, 110427 + ... + 117645.

It is an arithmetic number, because the mean of its divisors is an integer number (23349480).

Almost surely, 2^823225884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 823225884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120775040).

823225884 is an abundant number, since it is smaller than the sum of its proper divisors (1418324196).

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

823225884 is a wasteful number, since it uses less digits than its factorization.

823225884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7299 (or 7297 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 823225884 is about 28691.9132160963. The cubic root of 823225884 is about 937.2159529160.

The spelling of 823225884 in words is "eight hundred twenty-three million, two hundred twenty-five thousand, eight hundred eighty-four".