2221333 has 2 divisors, whose sum is σ = 2221334. Its totient is φ = 2221332.

The previous prime is 2221321. The next prime is 2221343. The reversal of 2221333 is 3331222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 213444 = 1417^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221333 - 2⁵ = 2221301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110666 + 1110667.

It is an arithmetic number, because the mean of its divisors is an integer number (1110667).

2^2221333 is an apocalyptic number.

It is an amenable number.

2221333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221333 is an equidigital number, since it uses as much as digits as its factorization.

2221333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 16.

The square root of 2221333 is about 1490.4137009569. The cubic root of 2221333 is about 130.4781797803.

Adding to 2221333 its reverse (3331222), we get a palindrome (5552555).

The spelling of 2221333 in words is "two million, two hundred twenty-one thousand, three hundred thirty-three".