359221 has 4 divisors (see below), whose sum is σ = 366912. Its totient is φ = 351532.

The previous prime is 359209. The next prime is 359231. The reversal of 359221 is 122953.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-359221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 359192 and 359201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (359231) 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, 3775 + ... + 3868.

It is an arithmetic number, because the mean of its divisors is an integer number (91728).

2³⁵⁹²²¹ is an apocalyptic number.

It is an amenable number.

359221 is a deficient number, since it is larger than the sum of its proper divisors (7691).

359221 is an equidigital number, since it uses as much as digits as its factorization.

359221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7690.

The product of its digits is 540, while the sum is 22.

The square root of 359221 is about 599.3504817717. The cubic root of 359221 is about 71.0865175551.

The spelling of 359221 in words is "three hundred fifty-nine thousand, two hundred twenty-one".