388224105 has 32 divisors (see below), whose sum is σ = 628228224. Its totient is φ = 204711936.

The previous prime is 388224079. The next prime is 388224113. The reversal of 388224105 is 501422883.

It is not a de Polignac number, because 388224105 - 2⁹ = 388223593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 831082 + ... + 831548.

It is an arithmetic number, because the mean of its divisors is an integer number (19632132).

Almost surely, 2^388224105 is an apocalyptic number.

It is an amenable number.

388224105 is a deficient number, since it is larger than the sum of its proper divisors (240004119).

388224105 is a wasteful number, since it uses less digits than its factorization.

388224105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 388224105 is about 19703.4033862173. The cubic root of 388224105 is about 729.5037003165.

Adding to 388224105 its reverse (501422883), we get a palindrome (889646988).

The spelling of 388224105 in words is "three hundred eighty-eight million, two hundred twenty-four thousand, one hundred five".