22333220989 has 2 divisors, whose sum is σ = 22333220990. Its totient is φ = 22333220988.

The previous prime is 22333220983. The next prime is 22333221041. The reversal of 22333220989 is 98902233322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22101876889 + 231344100 = 148667^2 + 15210^2 .

It is a cyclic number.

It is not a de Polignac number, because 22333220989 - 2⁵ = 22333220957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22333220983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11166610494 + 11166610495.

It is an arithmetic number, because the mean of its divisors is an integer number (11166610495).

Almost surely, 2^22333220989 is an apocalyptic number.

It is an amenable number.

22333220989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22333220989 is an equidigital number, since it uses as much as digits as its factorization.

22333220989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 22333220989 in words is "twenty-two billion, three hundred thirty-three million, two hundred twenty thousand, nine hundred eighty-nine".