3842280225 has 192 divisors, whose sum is σ = 8583577600. Its totient is φ = 1646023680.

The previous prime is 3842280181. The next prime is 3842280229. The reversal of 3842280225 is 5220822483.

3842280225 is a `hidden beast` number, since 3 + 8 + 422 + 8 + 0 + 225 = 666.

It is not a de Polignac number, because 3842280225 - 2⁶ = 3842280161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3842280225.

It is not an unprimeable number, because it can be changed into a prime (3842280229) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11401257 + ... + 11401593.

Almost surely, 2^3842280225 is an apocalyptic number.

3842280225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3842280225 is an abundant number, since it is smaller than the sum of its proper divisors (4741297375).

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

3842280225 is a wasteful number, since it uses less digits than its factorization.

3842280225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 3842280225 is about 61986.1292951899. The cubic root of 3842280225 is about 1566.2569527424.

The spelling of 3842280225 in words is "three billion, eight hundred forty-two million, two hundred eighty thousand, two hundred twenty-five".