368221 has 8 divisors (see below), whose sum is σ = 431424. Its totient is φ = 307680.

The previous prime is 368197. The next prime is 368227. The reversal of 368221 is 122863.

368221 = T₁₁₃ + T₁₁₄ + ... + T₁₅₃.

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

It is a cyclic number.

It is not a de Polignac number, because 368221 - 2⁵ = 368189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 368192 and 368201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (53928).

2³⁶⁸²²¹ is an apocalyptic number.

It is an amenable number.

368221 is a deficient number, since it is larger than the sum of its proper divisors (63203).

368221 is a wasteful number, since it uses less digits than its factorization.

368221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331.

The product of its digits is 576, while the sum is 22.

The square root of 368221 is about 606.8121620403. The cubic root of 368221 is about 71.6752997232.

The spelling of 368221 in words is "three hundred sixty-eight thousand, two hundred twenty-one".