388808222 has 8 divisors (see below), whose sum is σ = 636231672. Its totient is φ = 176731000.

The previous prime is 388808219. The next prime is 388808237. The reversal of 388808222 is 222808883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 388808222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8836529 + ... + 8836572.

It is an arithmetic number, because the mean of its divisors is an integer number (79528959).

Almost surely, 2^388808222 is an apocalyptic number.

388808222 is a deficient number, since it is larger than the sum of its proper divisors (247423450).

388808222 is a wasteful number, since it uses less digits than its factorization.

388808222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17673114.

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 388808222 is about 19718.2205586610. The cubic root of 388808222 is about 729.8693842746.

The spelling of 388808222 in words is "three hundred eighty-eight million, eight hundred eight thousand, two hundred twenty-two".