367221 has 8 divisors (see below), whose sum is σ = 494560. Its totient is φ = 242352.

The previous prime is 367219. The next prime is 367229. The reversal of 367221 is 122763.

It is a happy number.

367221 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 367221 - 2¹ = 367219 is a prime.

It is a Duffinian number.

367221 is strictly pandigital in base 7.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (367229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235 + ... + 888.

It is an arithmetic number, because the mean of its divisors is an integer number (61820).

2³⁶⁷²²¹ is an apocalyptic number.

It is an amenable number.

367221 is a deficient number, since it is larger than the sum of its proper divisors (127339).

367221 is a wasteful number, since it uses less digits than its factorization.

367221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235.

The product of its digits is 504, while the sum is 21.

The square root of 367221 is about 605.9876236360. The cubic root of 367221 is about 71.6103565848.

Adding to 367221 its reverse (122763), we get a palindrome (489984).

The spelling of 367221 in words is "three hundred sixty-seven thousand, two hundred twenty-one".