22233301021 has 2 divisors, whose sum is σ = 22233301022. Its totient is φ = 22233301020.

The previous prime is 22233300949. The next prime is 22233301039. The reversal of 22233301021 is 12010333222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14783884921 + 7449416100 = 121589^2 + 86310^2 .

It is a cyclic number.

It is not a de Polignac number, because 22233301021 - 2¹⁹ = 22232776733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22233301021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22233301061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116650510 + 11116650511.

It is an arithmetic number, because the mean of its divisors is an integer number (11116650511).

Almost surely, 2^22233301021 is an apocalyptic number.

It is an amenable number.

22233301021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22233301021 is an equidigital number, since it uses as much as digits as its factorization.

22233301021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22233301021 its reverse (12010333222), we get a palindrome (34243634243).

The spelling of 22233301021 in words is "twenty-two billion, two hundred thirty-three million, three hundred one thousand, twenty-one".