382220911 has 8 divisors (see below), whose sum is σ = 405085104. Its totient is φ = 359399040.

The previous prime is 382220879. The next prime is 382220921. The reversal of 382220911 is 119022283.

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

It is not a de Polignac number, because 382220911 - 2⁵ = 382220879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 382220911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382220921) 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, 9081 + ... + 29101.

It is an arithmetic number, because the mean of its divisors is an integer number (50635638).

Almost surely, 2^382220911 is an apocalyptic number.

382220911 is a deficient number, since it is larger than the sum of its proper divisors (22864193).

382220911 is a wasteful number, since it uses less digits than its factorization.

382220911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21161.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 382220911 is about 19550.4708638948. The cubic root of 382220911 is about 725.7239924290.

The spelling of 382220911 in words is "three hundred eighty-two million, two hundred twenty thousand, nine hundred eleven".