388747022 has 8 divisors (see below), whose sum is σ = 592680072. Its totient is φ = 191187000.

The previous prime is 388747003. The next prime is 388747027. The reversal of 388747022 is 220747883.

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

It is a super-2 number, since 2×388747022² = 302248494227736968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388747027) by changing a digit.

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, 1593104 + ... + 1593347.

It is an arithmetic number, because the mean of its divisors is an integer number (74085009).

Almost surely, 2^388747022 is an apocalyptic number.

388747022 is a deficient number, since it is larger than the sum of its proper divisors (203933050).

388747022 is a wasteful number, since it uses less digits than its factorization.

388747022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186514.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 388747022 is about 19716.6686334178. The cubic root of 388747022 is about 729.8310874592.

The spelling of 388747022 in words is "three hundred eighty-eight million, seven hundred forty-seven thousand, twenty-two".