22003331989 has 2 divisors, whose sum is σ = 22003331990. Its totient is φ = 22003331988.

The previous prime is 22003331983. The next prime is 22003332017. The reversal of 22003331989 is 98913330022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21276598225 + 726733764 = 145865^2 + 26958^2 .

It is a cyclic number.

It is not a de Polignac number, because 22003331989 - 2²⁷ = 21869114261 is a prime.

It is a super-2 number, since 2×22003331989² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22003331983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001665994 + 11001665995.

It is an arithmetic number, because the mean of its divisors is an integer number (11001665995).

Almost surely, 2^22003331989 is an apocalyptic number.

It is an amenable number.

22003331989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22003331989 is an equidigital number, since it uses as much as digits as its factorization.

22003331989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 22003331989 in words is "twenty-two billion, three million, three hundred thirty-one thousand, nine hundred eighty-nine".