382446220 has 24 divisors (see below), whose sum is σ = 864917424. Its totient is φ = 141210816.

The previous prime is 382446203. The next prime is 382446221. The reversal of 382446220 is 22644283.

It is a super-2 number, since 2×382446220² = 292530222384576800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382446221) 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, 735214 + ... + 735733.

It is an arithmetic number, because the mean of its divisors is an integer number (36038226).

Almost surely, 2^382446220 is an apocalyptic number.

It is an amenable number.

382446220 is an abundant number, since it is smaller than the sum of its proper divisors (482471204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

382446220 is a wasteful number, since it uses less digits than its factorization.

382446220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470969 (or 1470967 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 382446220 is about 19556.2322547059. The cubic root of 382446220 is about 725.8665627107.

The spelling of 382446220 in words is "three hundred eighty-two million, four hundred forty-six thousand, two hundred twenty".