385205222 has 16 divisors (see below), whose sum is σ = 581727744. Its totient is φ = 191301000.

The previous prime is 385205207. The next prime is 385205239. The reversal of 385205222 is 222502583.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204947 + ... + 206817.

It is an arithmetic number, because the mean of its divisors is an integer number (36357984).

Almost surely, 2^385205222 is an apocalyptic number.

385205222 is a deficient number, since it is larger than the sum of its proper divisors (196522522).

385205222 is a wasteful number, since it uses less digits than its factorization.

385205222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 385205222 is about 19626.6457144363. The cubic root of 385205222 is about 727.6078713306.

The spelling of 385205222 in words is "three hundred eighty-five million, two hundred five thousand, two hundred twenty-two".