360221 has 4 divisors (see below), whose sum is σ = 379200. Its totient is φ = 341244.

The previous prime is 360197. The next prime is 360223. The reversal of 360221 is 122063.

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 an emirpimes, since its reverse is a distinct semiprime: 122063 = 37 ⋅3299.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-360221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 360196 and 360205.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 360221.

It is not an unprimeable number, because it can be changed into a prime (360223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9461 + ... + 9498.

It is an arithmetic number, because the mean of its divisors is an integer number (94800).

2³⁶⁰²²¹ is an apocalyptic number.

It is an amenable number.

360221 is a deficient number, since it is larger than the sum of its proper divisors (18979).

360221 is a wasteful number, since it uses less digits than its factorization.

360221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18978.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 360221 is about 600.1841384109. The cubic root of 360221 is about 71.1524200272.

Adding to 360221 its reverse (122063), we get a palindrome (482284).

The spelling of 360221 in words is "three hundred sixty thousand, two hundred twenty-one".