3888355225 has 24 divisors (see below), whose sum is σ = 5078916000. Its totient is φ = 2944880640.

The previous prime is 3888355223. The next prime is 3888355249. The reversal of 3888355225 is 5225538883.

It is a happy number.

It is not a de Polignac number, because 3888355225 - 2¹ = 3888355223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3888355223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1166361 + ... + 1169689.

It is an arithmetic number, because the mean of its divisors is an integer number (211621500).

Almost surely, 2^3888355225 is an apocalyptic number.

It is an amenable number.

3888355225 is a deficient number, since it is larger than the sum of its proper divisors (1190560775).

3888355225 is a wasteful number, since it uses less digits than its factorization.

3888355225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817 (or 5812 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 49.

The square root of 3888355225 is about 62356.6774692174. The cubic root of 3888355225 is about 1572.4927235887.

The spelling of 3888355225 in words is "three billion, eight hundred eighty-eight million, three hundred fifty-five thousand, two hundred twenty-five".