381322 has 8 divisors (see below), whose sum is σ = 587556. Its totient is φ = 185472.

The previous prime is 381319. The next prime is 381323. The reversal of 381322 is 223183.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 349281 + 32041 = 591^2 + 179^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 381322.

It is not an unprimeable number, because it can be changed into a prime (381323) 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, 2503 + ... + 2650.

2³⁸¹³²² is an apocalyptic number.

381322 is a deficient number, since it is larger than the sum of its proper divisors (206234).

381322 is a wasteful number, since it uses less digits than its factorization.

381322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5192.

The product of its digits is 288, while the sum is 19.

The square root of 381322 is about 617.5127529047. The cubic root of 381322 is about 72.5154624174.

It can be divided in two parts, 381 and 322, that added together give a triangular number (703 = T₃₇).

The spelling of 381322 in words is "three hundred eighty-one thousand, three hundred twenty-two".