380221 has 4 divisors (see below), whose sum is σ = 381472. Its totient is φ = 378972.

The previous prime is 380207. The next prime is 380231. The reversal of 380221 is 122083.

It is a happy number.

380221 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 122083 = 13 ⋅9391.

It is a cyclic number.

It is not a de Polignac number, because 380221 - 2⁵ = 380189 is a prime.

It is a Duffinian number.

380221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 380195 and 380204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380201) 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, 160 + ... + 886.

It is an arithmetic number, because the mean of its divisors is an integer number (95368).

2³⁸⁰²²¹ is an apocalyptic number.

It is an amenable number.

380221 is a deficient number, since it is larger than the sum of its proper divisors (1251).

380221 is an equidigital number, since it uses as much as digits as its factorization.

380221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 380221 is about 616.6206289121. The cubic root of 380221 is about 72.4456032709.

The spelling of 380221 in words is "three hundred eighty thousand, two hundred twenty-one".