382220909 has 8 divisors (see below), whose sum is σ = 439756800. Its totient is φ = 325418256.

The previous prime is 382220879. The next prime is 382220921. The reversal of 382220909 is 909022283.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-382220909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382220959) 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, 182189 + ... + 184274.

It is an arithmetic number, because the mean of its divisors is an integer number (54969600).

Almost surely, 2^382220909 is an apocalyptic number.

It is an amenable number.

382220909 is a deficient number, since it is larger than the sum of its proper divisors (57535891).

382220909 is a wasteful number, since it uses less digits than its factorization.

382220909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366619.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 382220909 is about 19550.4708127451. The cubic root of 382220909 is about 725.7239911632.

It can be divided in two parts, 382220 and 909, that multiplied together give a triangular number (347437980 = T₂₆₃₆₀).

The spelling of 382220909 in words is "three hundred eighty-two million, two hundred twenty thousand, nine hundred nine".