388906057222 has 8 divisors (see below), whose sum is σ = 589134918672. Its totient is φ = 192527751000.

The previous prime is 388906057217. The next prime is 388906057279. The reversal of 388906057222 is 222750609883.

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 388906057222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962638554 + ... + 962638957.

It is an arithmetic number, because the mean of its divisors is an integer number (73641864834).

Almost surely, 2^388906057222 is an apocalyptic number.

388906057222 is a deficient number, since it is larger than the sum of its proper divisors (200228861450).

388906057222 is a wasteful number, since it uses less digits than its factorization.

388906057222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925277614.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 388906057222 in words is "three hundred eighty-eight billion, nine hundred six million, fifty-seven thousand, two hundred twenty-two".