385850221 has 8 divisors (see below), whose sum is σ = 396353664. Its totient is φ = 375398880.

The previous prime is 385850209. The next prime is 385850237. The reversal of 385850221 is 122058583.

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

It is a cyclic number.

It is not a de Polignac number, because 385850221 - 2²³ = 377461613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385850261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2226 + ... + 27868.

It is an arithmetic number, because the mean of its divisors is an integer number (49544208).

Almost surely, 2^385850221 is an apocalyptic number.

It is an amenable number.

385850221 is a deficient number, since it is larger than the sum of its proper divisors (10503443).

385850221 is a wasteful number, since it uses less digits than its factorization.

385850221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26051.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 385850221 is about 19643.0705593601. The cubic root of 385850221 is about 728.0137542434.

The spelling of 385850221 in words is "three hundred eighty-five million, eight hundred fifty thousand, two hundred twenty-one".