333000221 has 2 divisors, whose sum is σ = 333000222. Its totient is φ = 333000220.

The previous prime is 333000209. The next prime is 333000257. The reversal of 333000221 is 122000333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188760121 + 144240100 = 13739^2 + 12010^2 .

It is a cyclic number.

It is not a de Polignac number, because 333000221 - 2²⁶ = 265891357 is a prime.

It is a super-2 number, since 2×333000221² = 221778294372097682, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 333000196 and 333000205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (333000271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166500110 + 166500111.

It is an arithmetic number, because the mean of its divisors is an integer number (166500111).

Almost surely, 2^333000221 is an apocalyptic number.

It is an amenable number.

333000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

333000221 is an equidigital number, since it uses as much as digits as its factorization.

333000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 333000221 is about 18248.2936462564. The cubic root of 333000221 is about 693.1302301779.

Adding to 333000221 its reverse (122000333), we get a palindrome (455000554).

The spelling of 333000221 in words is "three hundred thirty-three million, two hundred twenty-one", and thus it is an aban number.