381344322 has 8 divisors (see below), whose sum is σ = 762688656. Its totient is φ = 127114772.

The previous prime is 381344279. The next prime is 381344329. The reversal of 381344322 is 223443183.

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

381344322 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 381344322.

It is not an unprimeable number, because it can be changed into a prime (381344329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31778688 + ... + 31778699.

It is an arithmetic number, because the mean of its divisors is an integer number (95336082).

Almost surely, 2^381344322 is an apocalyptic number.

381344322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

381344322 is a wasteful number, since it uses less digits than its factorization.

381344322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63557392.

The product of its digits is 13824, while the sum is 30.

The square root of 381344322 is about 19528.0393793130. The cubic root of 381344322 is about 725.1687737083.

The spelling of 381344322 in words is "three hundred eighty-one million, three hundred forty-four thousand, three hundred twenty-two".