385155222 has 32 divisors (see below), whose sum is σ = 796323840. Its totient is φ = 124061760.

The previous prime is 385155181. The next prime is 385155223. The reversal of 385155222 is 222551583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385155223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192258 + ... + 194250.

It is an arithmetic number, because the mean of its divisors is an integer number (24885120).

Almost surely, 2^385155222 is an apocalyptic number.

385155222 is an abundant number, since it is smaller than the sum of its proper divisors (411168618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385155222 is a wasteful number, since it uses less digits than its factorization.

385155222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068.

The product of its digits is 24000, while the sum is 33.

The square root of 385155222 is about 19625.3718945655. The cubic root of 385155222 is about 727.5763885731.

The spelling of 385155222 in words is "three hundred eighty-five million, one hundred fifty-five thousand, two hundred twenty-two".