3825228 has 24 divisors (see below), whose sum is σ = 9737280. Its totient is φ = 1159120.

The previous prime is 3825223. The next prime is 3825229. The reversal of 3825228 is 8225283.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹³ + 8 + 2¹¹ + 5⁴ + 2¹⁶ + 2¹⁶ + 8⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 3825195 and 3825204.

It is not an unprimeable number, because it can be changed into a prime (3825223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14358 + ... + 14621.

It is an arithmetic number, because the mean of its divisors is an integer number (405720).

Almost surely, 2^3825228 is an apocalyptic number.

It is an amenable number.

3825228 is an abundant number, since it is smaller than the sum of its proper divisors (5912052).

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

3825228 is a wasteful number, since it uses less digits than its factorization.

3825228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28997 (or 28995 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 3825228 is about 1955.8190100313. The cubic root of 3825228 is about 156.3936475247.

The spelling of 3825228 in words is "three million, eight hundred twenty-five thousand, two hundred twenty-eight".