8225724 has 48 divisors (see below), whose sum is σ = 21004928. Its totient is φ = 2490048.

The previous prime is 8225699. The next prime is 8225731. The reversal of 8225724 is 4275228.

It is a junction number, because it is equal to n+sod(n) for n = 8225691 and 8225700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10059 + ... + 10845.

Almost surely, 2^8225724 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 8225724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10502464).

8225724 is an abundant number, since it is smaller than the sum of its proper divisors (12779204).

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

8225724 is a wasteful number, since it uses less digits than its factorization.

8225724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 872 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 8225724 is about 2868.0523007784. The cubic root of 8225724 is about 201.8636141086.

The spelling of 8225724 in words is "eight million, two hundred twenty-five thousand, seven hundred twenty-four".