2221224433 has 2 divisors, whose sum is σ = 2221224434. Its totient is φ = 2221224432.

The previous prime is 2221224419. The next prime is 2221224451. The reversal of 2221224433 is 3344221222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1955143089 + 266081344 = 44217^2 + 16312^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221224433 - 2¹⁷ = 2221093361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221224398 and 2221224407.

It is not a weakly prime, because it can be changed into another prime (2221228433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110612216 + 1110612217.

It is an arithmetic number, because the mean of its divisors is an integer number (1110612217).

Almost surely, 2^2221224433 is an apocalyptic number.

It is an amenable number.

2221224433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221224433 is an equidigital number, since it uses as much as digits as its factorization.

2221224433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 2221224433 is about 47129.8677379854. The cubic root of 2221224433 is about 1304.7605405136.

Adding to 2221224433 its reverse (3344221222), we get a palindrome (5565445655).

The spelling of 2221224433 in words is "two billion, two hundred twenty-one million, two hundred twenty-four thousand, four hundred thirty-three".