384820226 has 12 divisors (see below), whose sum is σ = 671472198. Its totient is φ = 164922912.

The previous prime is 384820223. The next prime is 384820231. The reversal of 384820226 is 622028483.

It can be written as a sum of positive squares in only one way, i.e., 359064601 + 25755625 = 18949^2 + 5075^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (384820223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1963271 + ... + 1963466.

Almost surely, 2^384820226 is an apocalyptic number.

384820226 is a deficient number, since it is larger than the sum of its proper divisors (286651972).

384820226 is a wasteful number, since it uses less digits than its factorization.

384820226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926753 (or 3926746 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 384820226 is about 19616.8352697371. The cubic root of 384820226 is about 727.3653863031.

The spelling of 384820226 in words is "three hundred eighty-four million, eight hundred twenty thousand, two hundred twenty-six".