388572225 has 12 divisors (see below), whose sum is σ = 642439536. Its totient is φ = 207238480.

The previous prime is 388572181. The next prime is 388572229. The reversal of 388572225 is 522275883.

It is not a de Polignac number, because 388572225 - 2⁸ = 388571969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (388572229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2590407 + ... + 2590556.

It is an arithmetic number, because the mean of its divisors is an integer number (53536628).

Almost surely, 2^388572225 is an apocalyptic number.

It is an amenable number.

388572225 is a deficient number, since it is larger than the sum of its proper divisors (253867311).

388572225 is a wasteful number, since it uses less digits than its factorization.

388572225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180976 (or 5180971 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 388572225 is about 19712.2354135699. The cubic root of 388572225 is about 729.7216834828.

The spelling of 388572225 in words is "three hundred eighty-eight million, five hundred seventy-two thousand, two hundred twenty-five".