2221433 has 2 divisors, whose sum is σ = 2221434. Its totient is φ = 2221432.

The previous prime is 2221411. The next prime is 2221447. The reversal of 2221433 is 3341222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2111209 + 110224 = 1453^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221433 - 2¹⁰ = 2220409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2221403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110716 + 1110717.

It is an arithmetic number, because the mean of its divisors is an integer number (1110717).

2^2221433 is an apocalyptic number.

It is an amenable number.

2221433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221433 is an equidigital number, since it uses as much as digits as its factorization.

2221433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 17.

The square root of 2221433 is about 1490.4472483117. The cubic root of 2221433 is about 130.4801377071.

Adding to 2221433 its reverse (3341222), we get a palindrome (5562655).

The spelling of 2221433 in words is "two million, two hundred twenty-one thousand, four hundred thirty-three".