824925228 has 12 divisors (see below), whose sum is σ = 1924825560. Its totient is φ = 274975072.

The previous prime is 824925217. The next prime is 824925251. The reversal of 824925228 is 822529428.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 824925228.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34371873 + ... + 34371896.

It is an arithmetic number, because the mean of its divisors is an integer number (160402130).

Almost surely, 2^824925228 is an apocalyptic number.

It is an amenable number.

824925228 is an abundant number, since it is smaller than the sum of its proper divisors (1099900332).

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

824925228 is a wasteful number, since it uses less digits than its factorization.

824925228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68743776 (or 68743774 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 824925228 is about 28721.5115897475. The cubic root of 824925228 is about 937.8603923563.

The spelling of 824925228 in words is "eight hundred twenty-four million, nine hundred twenty-five thousand, two hundred twenty-eight".