22204404433 has 2 divisors, whose sum is σ = 22204404434. Its totient is φ = 22204404432.

The previous prime is 22204404421. The next prime is 22204404437. The reversal of 22204404433 is 33440440222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21022970049 + 1181434384 = 144993^2 + 34372^2 .

It is a cyclic number.

It is not a de Polignac number, because 22204404433 - 2²⁹ = 21667533521 is a prime.

It is not a weakly prime, because it can be changed into another prime (22204404437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102202216 + 11102202217.

It is an arithmetic number, because the mean of its divisors is an integer number (11102202217).

Almost surely, 2^22204404433 is an apocalyptic number.

It is an amenable number.

22204404433 is a deficient number, since it is larger than the sum of its proper divisors (1).

22204404433 is an equidigital number, since it uses as much as digits as its factorization.

22204404433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22204404433 its reverse (33440440222), we get a palindrome (55644844655).

The spelling of 22204404433 in words is "twenty-two billion, two hundred four million, four hundred four thousand, four hundred thirty-three".